hooks/syncschema.py
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Fri, 19 Apr 2013 15:44:42 +0200
changeset 8894 b03abd90a785
parent 8821 c4aa23af0baa
child 8943 58b3b2d9c965
permissions -rw-r--r--
[rql2sql] Remove an XXX by explaining why Int non-substitution is desired (in the current state of the API)
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# copyright 2003-2012 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
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# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
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#
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# This file is part of CubicWeb.
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#
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# CubicWeb is free software: you can redistribute it and/or modify it under the
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# terms of the GNU Lesser General Public License as published by the Free
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# Software Foundation, either version 2.1 of the License, or (at your option)
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# any later version.
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#
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# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Lesser General Public License along
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# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
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"""schema hooks:
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- synchronize the living schema object with the persistent schema
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- perform physical update on the source when necessary
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checking for schema consistency is done in hooks.py
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"""
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__docformat__ = "restructuredtext en"
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_ = unicode
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from copy import copy
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from yams.schema import BASE_TYPES, RelationSchema, RelationDefinitionSchema
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from yams import buildobjs as ybo, schema2sql as y2sql
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from logilab.common.decorators import clear_cache
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from cubicweb import validation_error
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from cubicweb.predicates import is_instance
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from cubicweb.schema import (SCHEMA_TYPES, META_RTYPES, VIRTUAL_RTYPES,
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                             CONSTRAINTS, ETYPE_NAME_MAP, display_name)
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from cubicweb.server import hook, schemaserial as ss
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from cubicweb.server.sqlutils import SQL_PREFIX
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TYPE_CONVERTER = { # XXX
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    'Boolean': bool,
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    'Int': int,
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    'BigInt': int,
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    'Float': float,
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    'Password': str,
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    'String': unicode,
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    'Date' : unicode,
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    'Datetime' : unicode,
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    'Time' : unicode,
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    'TZDatetime' : unicode,
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    'TZTime' : unicode,
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    }
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# core entity and relation types which can't be removed
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CORE_TYPES = BASE_TYPES | SCHEMA_TYPES | META_RTYPES | set(
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    ('CWUser', 'CWGroup','login', 'upassword', 'name', 'in_group'))
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def get_constraints(session, entity):
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    constraints = []
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    for cstreid in session.transaction_data.get(entity.eid, ()):
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        cstrent = session.entity_from_eid(cstreid)
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        cstr = CONSTRAINTS[cstrent.type].deserialize(cstrent.value)
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        cstr.eid = cstreid
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        constraints.append(cstr)
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    return constraints
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def group_mapping(cw):
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    try:
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        return cw.transaction_data['groupmap']
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    except KeyError:
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        cw.transaction_data['groupmap'] = gmap = ss.group_mapping(cw)
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        return gmap
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def add_inline_relation_column(session, etype, rtype):
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    """add necessary column and index for an inlined relation"""
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    attrkey = '%s.%s' % (etype, rtype)
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    createdattrs = session.transaction_data.setdefault('createdattrs', set())
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    if attrkey in createdattrs:
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        return
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    createdattrs.add(attrkey)
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    table = SQL_PREFIX + etype
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    column = SQL_PREFIX + rtype
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    try:
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        session.system_sql(str('ALTER TABLE %s ADD %s integer'
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                               % (table, column)), rollback_on_failure=False)
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        session.info('added column %s to table %s', column, table)
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    except Exception:
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        # silent exception here, if this error has not been raised because the
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        # column already exists, index creation will fail anyway
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        session.exception('error while adding column %s to table %s',
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                          table, column)
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    # create index before alter table which may expectingly fail during test
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    # (sqlite) while index creation should never fail (test for index existence
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    # is done by the dbhelper)
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    session.cnxset.source('system').create_index(session, table, column)
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    session.info('added index on %s(%s)', table, column)
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def insert_rdef_on_subclasses(session, eschema, rschema, rdefdef, props):
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    # XXX 'infered': True/False, not clear actually
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    props.update({'constraints': rdefdef.constraints,
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                  'description': rdefdef.description,
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                  'cardinality': rdefdef.cardinality,
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                  'permissions': rdefdef.get_permissions(),
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                  'order': rdefdef.order,
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                  'infered': False, 'eid': None
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                  })
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    cstrtypemap = ss.cstrtype_mapping(session)
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    groupmap = group_mapping(session)
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    object = rschema.schema.eschema(rdefdef.object)
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    for specialization in eschema.specialized_by(False):
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        if (specialization, rdefdef.object) in rschema.rdefs:
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            continue
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        sperdef = RelationDefinitionSchema(specialization, rschema,
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                                           object, props)
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        ss.execschemarql(session.execute, sperdef,
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                         ss.rdef2rql(sperdef, cstrtypemap, groupmap))
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def check_valid_changes(session, entity, ro_attrs=('name', 'final')):
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    errors = {}
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    # don't use getattr(entity, attr), we would get the modified value if any
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    for attr in entity.cw_edited:
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        if attr in ro_attrs:
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            origval, newval = entity.cw_edited.oldnewvalue(attr)
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            if newval != origval:
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                errors[attr] = _("can't change this attribute")
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    if errors:
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        raise validation_error(entity, errors)
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class _MockEntity(object): # XXX use a named tuple with python 2.6
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    def __init__(self, eid):
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        self.eid = eid
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class SyncSchemaHook(hook.Hook):
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    """abstract class for schema synchronization hooks (in the `syncschema`
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    category)
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    """
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    __abstract__ = True
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    category = 'syncschema'
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# operations for low-level database alteration  ################################
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class DropTable(hook.Operation):
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    """actually remove a database from the instance's schema"""
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    table = None # make pylint happy
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    def precommit_event(self):
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        dropped = self.session.transaction_data.setdefault('droppedtables',
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                                                           set())
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        if self.table in dropped:
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            return # already processed
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        dropped.add(self.table)
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        self.session.system_sql('DROP TABLE %s' % self.table)
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        self.info('dropped table %s', self.table)
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    # XXX revertprecommit_event
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class DropRelationTable(DropTable):
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    def __init__(self, session, rtype):
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        super(DropRelationTable, self).__init__(
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            session, table='%s_relation' % rtype)
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        session.transaction_data.setdefault('pendingrtypes', set()).add(rtype)
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class DropColumn(hook.Operation):
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    """actually remove the attribut's column from entity table in the system
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    database
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    """
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    table = column = None # make pylint happy
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    def precommit_event(self):
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        session, table, column = self.session, self.table, self.column
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        source = session.repo.system_source
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        # drop index if any
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        source.drop_index(session, table, column)
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        if source.dbhelper.alter_column_support:
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            session.system_sql('ALTER TABLE %s DROP COLUMN %s'
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                               % (table, column), rollback_on_failure=False)
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            self.info('dropped column %s from table %s', column, table)
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        else:
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            # not supported by sqlite for instance
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            self.error('dropping column not supported by the backend, handle '
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                       'it yourself (%s.%s)', table, column)
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    # XXX revertprecommit_event
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# base operations for in-memory schema synchronization  ########################
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class MemSchemaNotifyChanges(hook.SingleLastOperation):
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    """the update schema operation:
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    special operation which should be called once and after all other schema
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    operations. It will trigger internal structures rebuilding to consider
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    schema changes.
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    """
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    def __init__(self, session):
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        hook.SingleLastOperation.__init__(self, session)
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    def precommit_event(self):
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        for eschema in self.session.repo.schema.entities():
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            if not eschema.final:
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                clear_cache(eschema, 'ordered_relations')
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    def postcommit_event(self):
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        rebuildinfered = self.session.data.get('rebuild-infered', True)
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        repo = self.session.repo
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        # commit event should not raise error, while set_schema has chances to
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        # do so because it triggers full vreg reloading
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        try:
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            repo.set_schema(repo.schema, rebuildinfered=rebuildinfered)
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            # CWUser class might have changed, update current session users
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            cwuser_cls = self.session.vreg['etypes'].etype_class('CWUser')
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            for session in repo._sessions.itervalues():
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                session.user.__class__ = cwuser_cls
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        except Exception:
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            self.critical('error while setting schema', exc_info=True)
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    def rollback_event(self):
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        self.precommit_event()
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class MemSchemaOperation(hook.Operation):
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    """base class for schema operations"""
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    def __init__(self, session, **kwargs):
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        hook.Operation.__init__(self, session, **kwargs)
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        # every schema operation is triggering a schema update
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        MemSchemaNotifyChanges(session)
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# operations for high-level source database alteration  ########################
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class CWETypeAddOp(MemSchemaOperation):
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    """after adding a CWEType entity:
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    * add it to the instance's schema
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    * create the necessary table
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    * set creation_date and modification_date by creating the necessary
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      CWAttribute entities
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    * add <meta rtype> relation by creating the necessary CWRelation entity
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    """
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    entity = None # make pylint happy
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   250
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    def precommit_event(self):
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        session = self.session
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        entity = self.entity
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        schema = session.vreg.schema
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        etype = ybo.EntityType(eid=entity.eid, name=entity.name,
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                               description=entity.description)
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        eschema = schema.add_entity_type(etype)
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        # create the necessary table
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        tablesql = y2sql.eschema2sql(session.cnxset.source('system').dbhelper,
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                                     eschema, prefix=SQL_PREFIX)
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        for sql in tablesql.split(';'):
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            if sql.strip():
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                session.system_sql(sql)
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        # add meta relations
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        gmap = group_mapping(session)
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        cmap = ss.cstrtype_mapping(session)
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        for rtype in (META_RTYPES - VIRTUAL_RTYPES):
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            try:
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                rschema = schema[rtype]
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   270
            except KeyError:
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                self.critical('rtype %s was not handled at cwetype creation time', rtype)
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                continue
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   273
            if not rschema.rdefs:
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                self.warning('rtype %s has no relation definition yet', rtype)
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                continue
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            sampletype = rschema.subjects()[0]
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            desttype = rschema.objects()[0]
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            try:
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                rdef = copy(rschema.rdef(sampletype, desttype))
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            except KeyError:
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                # this combo does not exist because this is not a universal META_RTYPE
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                continue
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            rdef.subject = _MockEntity(eid=entity.eid)
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            mock = _MockEntity(eid=None)
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   285
            ss.execschemarql(session.execute, mock, ss.rdef2rql(rdef, cmap, gmap))
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   286
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   287
    def revertprecommit_event(self):
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   288
        # revert changes on in memory schema
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   289
        self.session.vreg.schema.del_entity_type(self.entity.name)
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   290
        # revert changes on database
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   291
        self.session.system_sql('DROP TABLE %s%s' % (SQL_PREFIX, self.entity.name))
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   292
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   293
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   294
class CWETypeRenameOp(MemSchemaOperation):
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   295
    """this operation updates physical storage accordingly"""
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   296
    oldname = newname = None # make pylint happy
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   297
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   298
    def rename(self, oldname, newname):
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   299
        self.session.vreg.schema.rename_entity_type(oldname, newname)
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   300
        # we need sql to operate physical changes on the system database
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   301
        sqlexec = self.session.system_sql
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   302
        dbhelper= self.session.cnxset.source('system').dbhelper
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   303
        sql = dbhelper.sql_rename_table(SQL_PREFIX+oldname,
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                                        SQL_PREFIX+newname)
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   305
        sqlexec(sql)
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   306
        self.info('renamed table %s to %s', oldname, newname)
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diff changeset
   307
        sqlexec('UPDATE entities SET type=%(newname)s WHERE type=%(oldname)s',
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diff changeset
   308
                {'newname': newname, 'oldname': oldname})
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diff changeset
   309
        for eid, (etype, uri, extid, auri) in self.session.repo._type_source_cache.items():
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   310
            if etype == oldname:
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   311
                self.session.repo._type_source_cache[eid] = (newname, uri, extid, auri)
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   312
        sqlexec('UPDATE deleted_entities SET type=%(newname)s WHERE type=%(oldname)s',
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   313
                {'newname': newname, 'oldname': oldname})
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   314
        # XXX transaction records
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   315
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   316
    def precommit_event(self):
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   317
        self.rename(self.oldname, self.newname)
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   318
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   319
    def revertprecommit_event(self):
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   320
        self.rename(self.newname, self.oldname)
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   323
class CWRTypeUpdateOp(MemSchemaOperation):
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   324
    """actually update some properties of a relation definition"""
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   325
    rschema = entity = values = None # make pylint happy
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   326
    oldvalus = None
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   327
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   328
    def precommit_event(self):
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   329
        rschema = self.rschema
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   330
        if rschema.final:
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   331
            return # watched changes to final relation type are unexpected
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   332
        session = self.session
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   333
        if 'fulltext_container' in self.values:
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   334
            op = UpdateFTIndexOp.get_instance(session)
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   335
            for subjtype, objtype in rschema.rdefs:
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   336
                op.add_data(subjtype)
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   337
                op.add_data(objtype)
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   338
        # update the in-memory schema first
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   339
        self.oldvalues = dict( (attr, getattr(rschema, attr)) for attr in self.values)
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   340
        self.rschema.__dict__.update(self.values)
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   341
        # then make necessary changes to the system source database
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   342
        if not 'inlined' in self.values:
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   343
            return # nothing to do
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   344
        inlined = self.values['inlined']
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   345
        # check in-lining is possible when inlined
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   346
        if inlined:
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   347
            self.entity.check_inlined_allowed()
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   348
        # inlined changed, make necessary physical changes!
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   349
        sqlexec = self.session.system_sql
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   350
        rtype = rschema.type
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   351
        eidcolumn = SQL_PREFIX + 'eid'
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   352
        if not inlined:
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   353
            # need to create the relation if it has not been already done by
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diff changeset
   354
            # another event of the same transaction
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parents: 2624
diff changeset
   355
            if not rschema.type in session.transaction_data.get('createdtables', ()):
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81b0df087375 schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4722
diff changeset
   356
                tablesql = y2sql.rschema2sql(rschema)
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diff changeset
   357
                # create the necessary table
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parents: 2624
diff changeset
   358
                for sql in tablesql.split(';'):
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diff changeset
   359
                    if sql.strip():
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parents: 2624
diff changeset
   360
                        sqlexec(sql)
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diff changeset
   361
                session.transaction_data.setdefault('createdtables', []).append(
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diff changeset
   362
                    rschema.type)
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diff changeset
   363
            # copy existant data
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diff changeset
   364
            column = SQL_PREFIX + rtype
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diff changeset
   365
            for etype in rschema.subjects():
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diff changeset
   366
                table = SQL_PREFIX + str(etype)
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diff changeset
   367
                sqlexec('INSERT INTO %s_relation SELECT %s, %s FROM %s WHERE NOT %s IS NULL'
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diff changeset
   368
                        % (rtype, eidcolumn, column, table, column))
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diff changeset
   369
            # drop existant columns
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diff changeset
   370
            #if session.repo.system_source.dbhelper.alter_column_support:
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diff changeset
   371
            for etype in rschema.subjects():
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diff changeset
   372
                DropColumn(session, table=SQL_PREFIX + str(etype),
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diff changeset
   373
                           column=SQL_PREFIX + rtype)
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diff changeset
   374
        else:
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   375
            for etype in rschema.subjects():
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diff changeset
   376
                try:
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diff changeset
   377
                    add_inline_relation_column(session, str(etype), rtype)
8695
358d8bed9626 [toward-py3k] rewrite to "except AnException as exc:" (part of #2711624)
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 8556
diff changeset
   378
                except Exception as ex:
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diff changeset
   379
                    # the column probably already exists. this occurs when the
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diff changeset
   380
                    # entity's type has just been added or if the column has not
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   381
                    # been previously dropped (eg sqlite)
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diff changeset
   382
                    self.error('error while altering table %s: %s', etype, ex)
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diff changeset
   383
                # copy existant data.
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diff changeset
   384
                # XXX don't use, it's not supported by sqlite (at least at when i tried it)
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diff changeset
   385
                #sqlexec('UPDATE %(etype)s SET %(rtype)s=eid_to '
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parents: 2624
diff changeset
   386
                #        'FROM %(rtype)s_relation '
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parents: 2624
diff changeset
   387
                #        'WHERE %(etype)s.eid=%(rtype)s_relation.eid_from'
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parents: 2624
diff changeset
   388
                #        % locals())
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parents: 2624
diff changeset
   389
                table = SQL_PREFIX + str(etype)
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parents: 2624
diff changeset
   390
                cursor = sqlexec('SELECT eid_from, eid_to FROM %(table)s, '
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parents: 2624
diff changeset
   391
                                 '%(rtype)s_relation WHERE %(table)s.%(eidcolumn)s='
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parents: 2624
diff changeset
   392
                                 '%(rtype)s_relation.eid_from' % locals())
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diff changeset
   393
                args = [{'val': eid_to, 'x': eid} for eid, eid_to in cursor.fetchall()]
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diff changeset
   394
                if args:
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parents: 2624
diff changeset
   395
                    column = SQL_PREFIX + rtype
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parents: 2624
diff changeset
   396
                    cursor.executemany('UPDATE %s SET %s=%%(val)s WHERE %s=%%(x)s'
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parents: 2624
diff changeset
   397
                                       % (table, column, eidcolumn), args)
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parents: 2624
diff changeset
   398
                # drop existant table
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parents: 2624
diff changeset
   399
                DropRelationTable(session, rtype)
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parents:
diff changeset
   400
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diff changeset
   401
    def revertprecommit_event(self):
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parents: 5881
diff changeset
   402
        # revert changes on in memory schema
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diff changeset
   403
        self.rschema.__dict__.update(self.oldvalues)
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diff changeset
   404
        # XXX revert changes on database
0
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parents:
diff changeset
   405
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   406
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   407
class CWAttributeAddOp(MemSchemaOperation):
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   408
    """an attribute relation (CWAttribute) has been added:
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   409
    * add the necessary column
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   410
    * set default on this column if any and possible
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   411
    * register an operation to add the relation definition to the
2476
1294a6bdf3bf application -> instance where it makes sense
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2462
diff changeset
   412
      instance's schema on commit
1802
d628defebc17 delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1398
diff changeset
   413
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   414
    constraints are handled by specific hooks
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   415
    """
1138
22f634977c95 make pylint happy, fix some bugs on the way
sylvain.thenault@logilab.fr
parents: 0
diff changeset
   416
    entity = None # make pylint happy
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   417
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   418
    def init_rdef(self, **kwargs):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   419
        entity = self.entity
2599
79bd12769c55 [R schema hooks] use new accessors on CWRelation and CWAttribute entities
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   420
        fromentity = entity.stype
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   421
        rdefdef = self.rdefdef = ybo.RelationDefinition(
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   422
            str(fromentity.name), entity.rtype.name, str(entity.otype.name),
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   423
            description=entity.description, cardinality=entity.cardinality,
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   424
            constraints=get_constraints(self.session, entity),
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   425
            order=entity.ordernum, eid=entity.eid, **kwargs)
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   426
        self.session.vreg.schema.add_relation_def(rdefdef)
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   427
        self.session.execute('SET X ordernum Y+1 '
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   428
                             'WHERE X from_entity SE, SE eid %(se)s, X ordernum Y, '
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   429
                             'X ordernum >= %(order)s, NOT X eid %(x)s',
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   430
                             {'x': entity.eid, 'se': fromentity.eid,
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   431
                              'order': entity.ordernum or 0})
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   432
        return rdefdef
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   433
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   434
    def precommit_event(self):
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   435
        session = self.session
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   436
        entity = self.entity
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   437
        # entity.defaultval is a string or None, but we need a correctly typed
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   438
        # value
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   439
        default = entity.defaultval
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   440
        if default is not None:
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   441
            default = TYPE_CONVERTER[entity.otype.name](default)
3526
dfb2ebb765e2 [migration] fix addition of attribute to a parent class
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2967
diff changeset
   442
        props = {'default': default,
dfb2ebb765e2 [migration] fix addition of attribute to a parent class
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2967
diff changeset
   443
                 'indexed': entity.indexed,
dfb2ebb765e2 [migration] fix addition of attribute to a parent class
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2967
diff changeset
   444
                 'fulltextindexed': entity.fulltextindexed,
dfb2ebb765e2 [migration] fix addition of attribute to a parent class
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2967
diff changeset
   445
                 'internationalizable': entity.internationalizable}
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   446
        # update the in-memory schema first
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   447
        rdefdef = self.init_rdef(**props)
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   448
        # then make necessary changes to the system source database
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7185
diff changeset
   449
        syssource = session.cnxset.source('system')
4763
81b0df087375 schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4722
diff changeset
   450
        attrtype = y2sql.type_from_constraints(
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   451
            syssource.dbhelper, rdefdef.object, rdefdef.constraints)
5847
51636c991fb4 [migration] refactor schema migration fix introduced by 5833:d7256ae7c1d1
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5846
diff changeset
   452
        # XXX should be moved somehow into lgdb: sqlite doesn't support to
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   453
        # add a new column with UNIQUE, it should be added after the ALTER TABLE
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   454
        # using ADD INDEX
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   455
        if syssource.dbdriver == 'sqlite' and 'UNIQUE' in attrtype:
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   456
            extra_unique_index = True
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   457
            attrtype = attrtype.replace(' UNIQUE', '')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   458
        else:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   459
            extra_unique_index = False
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   460
        # added some str() wrapping query since some backend (eg psycopg) don't
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   461
        # allow unicode queries
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   462
        table = SQL_PREFIX + rdefdef.subject
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   463
        column = SQL_PREFIX + rdefdef.name
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   464
        try:
5801
355d3945c1f3 Use SQL standard ALTER TABLE command (with ADD instead of ADD COLUMN)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5772
diff changeset
   465
            session.system_sql(str('ALTER TABLE %s ADD %s %s'
2618
ff9b0d5bd884 [F repo sqlite schema changes] don't rollback on potentially expected schema changes failure
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2617
diff changeset
   466
                                   % (table, column, attrtype)),
ff9b0d5bd884 [F repo sqlite schema changes] don't rollback on potentially expected schema changes failure
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2617
diff changeset
   467
                               rollback_on_failure=False)
1251
af40e615dc89 introduce a 'cw_' prefix on entity table and column names so we don't conflict with sql or DBMS specific keywords
sylvain.thenault@logilab.fr
parents: 0
diff changeset
   468
            self.info('added column %s to table %s', table, column)
8695
358d8bed9626 [toward-py3k] rewrite to "except AnException as exc:" (part of #2711624)
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 8556
diff changeset
   469
        except Exception as ex:
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   470
            # the column probably already exists. this occurs when
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   471
            # the entity's type has just been added or if the column
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   472
            # has not been previously dropped
1251
af40e615dc89 introduce a 'cw_' prefix on entity table and column names so we don't conflict with sql or DBMS specific keywords
sylvain.thenault@logilab.fr
parents: 0
diff changeset
   473
            self.error('error while altering table %s: %s', table, ex)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   474
        if extra_unique_index or entity.indexed:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   475
            try:
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   476
                syssource.create_index(session, table, column,
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   477
                                      unique=extra_unique_index)
8695
358d8bed9626 [toward-py3k] rewrite to "except AnException as exc:" (part of #2711624)
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 8556
diff changeset
   478
            except Exception as ex:
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   479
                self.error('error while creating index for %s.%s: %s',
1251
af40e615dc89 introduce a 'cw_' prefix on entity table and column names so we don't conflict with sql or DBMS specific keywords
sylvain.thenault@logilab.fr
parents: 0
diff changeset
   480
                           table, column, ex)
3526
dfb2ebb765e2 [migration] fix addition of attribute to a parent class
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2967
diff changeset
   481
        # final relations are not infered, propagate
4763
81b0df087375 schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4722
diff changeset
   482
        schema = session.vreg.schema
3531
c095f5f54873 [migration] take care to entity being added
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3526
diff changeset
   483
        try:
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   484
            eschema = schema.eschema(rdefdef.subject)
3531
c095f5f54873 [migration] take care to entity being added
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3526
diff changeset
   485
        except KeyError:
c095f5f54873 [migration] take care to entity being added
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3526
diff changeset
   486
            return # entity type currently being added
3543
ed152fe5aa8b [migration] when adding a new attribute with a default value, set this value on existing entities (test and fix)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3531
diff changeset
   487
        # propagate attribute to children classes
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   488
        rschema = schema.rschema(rdefdef.name)
3550
f9bdcfeb12ee [migration] fix bug when propagating newly inserted relation type to children classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3546
diff changeset
   489
        # if relation type has been inserted in the same transaction, its final
f9bdcfeb12ee [migration] fix bug when propagating newly inserted relation type to children classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3546
diff changeset
   490
        # attribute is still set to False, so we've to ensure it's False
f9bdcfeb12ee [migration] fix bug when propagating newly inserted relation type to children classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3546
diff changeset
   491
        rschema.final = True
6076
aa7402e998a1 [migration] when some inlined relation definition is added to an entity type which has some specialized types, it should be propagated to those types else they may miss the necessary table column to store the relation
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6002
diff changeset
   492
        insert_rdef_on_subclasses(session, eschema, rschema, rdefdef, props)
3543
ed152fe5aa8b [migration] when adding a new attribute with a default value, set this value on existing entities (test and fix)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3531
diff changeset
   493
        # set default value, using sql for performance and to avoid
ed152fe5aa8b [migration] when adding a new attribute with a default value, set this value on existing entities (test and fix)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3531
diff changeset
   494
        # modification_date update
ed152fe5aa8b [migration] when adding a new attribute with a default value, set this value on existing entities (test and fix)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3531
diff changeset
   495
        if default:
8178
2d62b6017700 [schema synchronization] don't use sql for TODAY/NOW in keyword arg. Closes #2154815
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8105
diff changeset
   496
            if rdefdef.object in ('Date', 'Datetime', 'TZDatetime'):
2d62b6017700 [schema synchronization] don't use sql for TODAY/NOW in keyword arg. Closes #2154815
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8105
diff changeset
   497
                # XXX may may want to use creation_date
8097
7e0d1fb1092d use dbhelper functions to get default date / datetime (closes #2094544)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 7880
diff changeset
   498
                if default == 'TODAY':
7e0d1fb1092d use dbhelper functions to get default date / datetime (closes #2094544)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 7880
diff changeset
   499
                    default = syssource.dbhelper.sql_current_date()
7e0d1fb1092d use dbhelper functions to get default date / datetime (closes #2094544)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 7880
diff changeset
   500
                elif default == 'NOW':
7e0d1fb1092d use dbhelper functions to get default date / datetime (closes #2094544)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 7880
diff changeset
   501
                    default = syssource.dbhelper.sql_current_timestamp()
8215
4b32678c21a7 [schema sync hooks] fix format string
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8192
diff changeset
   502
                session.system_sql('UPDATE %s SET %s=%s'
8178
2d62b6017700 [schema synchronization] don't use sql for TODAY/NOW in keyword arg. Closes #2154815
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8105
diff changeset
   503
                                   % (table, column, default))
2d62b6017700 [schema synchronization] don't use sql for TODAY/NOW in keyword arg. Closes #2154815
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8105
diff changeset
   504
            else:
2d62b6017700 [schema synchronization] don't use sql for TODAY/NOW in keyword arg. Closes #2154815
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8105
diff changeset
   505
                session.system_sql('UPDATE %s SET %s=%%(default)s' % (table, column),
2d62b6017700 [schema synchronization] don't use sql for TODAY/NOW in keyword arg. Closes #2154815
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8105
diff changeset
   506
                                   {'default': default})
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   507
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   508
    def revertprecommit_event(self):
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   509
        # revert changes on in memory schema
8818
d8b0984c923c [migration] fix bug in `CWAttributeAddOp.revertprecommit_event`
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8715
diff changeset
   510
        if getattr(self, 'rdefdef', None) is None:
d8b0984c923c [migration] fix bug in `CWAttributeAddOp.revertprecommit_event`
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8715
diff changeset
   511
            return
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   512
        self.session.vreg.schema.del_relation_def(
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   513
            self.rdefdef.subject, self.rdefdef.name, self.rdefdef.object)
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   514
        # XXX revert changes on database
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   515
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   516
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   517
class CWRelationAddOp(CWAttributeAddOp):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   518
    """an actual relation has been added:
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   519
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   520
    * add the relation definition to the instance's schema
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   521
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   522
    * if this is an inlined relation, add the necessary column else if it's the
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   523
      first instance of this relation type, add the necessary table and set
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   524
      default permissions
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   525
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   526
    constraints are handled by specific hooks
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   527
    """
1138
22f634977c95 make pylint happy, fix some bugs on the way
sylvain.thenault@logilab.fr
parents: 0
diff changeset
   528
    entity = None # make pylint happy
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   529
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   530
    def precommit_event(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   531
        session = self.session
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   532
        entity = self.entity
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   533
        # update the in-memory schema first
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   534
        rdefdef = self.init_rdef(composite=entity.composite)
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   535
        # then make necessary changes to the system source database
2902
dd9f2dd02f85 remove some deprecation warnings
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2899
diff changeset
   536
        schema = session.vreg.schema
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   537
        rtype = rdefdef.name
4722
9c13d5db03d9 pylint suggested refactorings
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4721
diff changeset
   538
        rschema = schema.rschema(rtype)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   539
        # this have to be done before permissions setting
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   540
        if rschema.inlined:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   541
            # need to add a column if the relation is inlined and if this is the
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   542
            # first occurence of "Subject relation Something" whatever Something
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   543
            if len(rschema.objects(rdefdef.subject)) == 1:
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   544
                add_inline_relation_column(session, rdefdef.subject, rtype)
6076
aa7402e998a1 [migration] when some inlined relation definition is added to an entity type which has some specialized types, it should be propagated to those types else they may miss the necessary table column to store the relation
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6002
diff changeset
   545
            eschema = schema[rdefdef.subject]
aa7402e998a1 [migration] when some inlined relation definition is added to an entity type which has some specialized types, it should be propagated to those types else they may miss the necessary table column to store the relation
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6002
diff changeset
   546
            insert_rdef_on_subclasses(session, eschema, rschema, rdefdef,
aa7402e998a1 [migration] when some inlined relation definition is added to an entity type which has some specialized types, it should be propagated to those types else they may miss the necessary table column to store the relation
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6002
diff changeset
   547
                                      {'composite': entity.composite})
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   548
        else:
6163
407f54345687 [migration] fix add_relation_type() for symmetric relations
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 6097
diff changeset
   549
            if rschema.symmetric:
407f54345687 [migration] fix add_relation_type() for symmetric relations
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 6097
diff changeset
   550
                # for symmetric relations, rdefs will store relation definitions
407f54345687 [migration] fix add_relation_type() for symmetric relations
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 6097
diff changeset
   551
                # in both ways (i.e. (subj -> obj) and (obj -> subj))
407f54345687 [migration] fix add_relation_type() for symmetric relations
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 6097
diff changeset
   552
                relation_already_defined = len(rschema.rdefs) > 2
407f54345687 [migration] fix add_relation_type() for symmetric relations
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 6097
diff changeset
   553
            else:
407f54345687 [migration] fix add_relation_type() for symmetric relations
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 6097
diff changeset
   554
                relation_already_defined = len(rschema.rdefs) > 1
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   555
            # need to create the relation if no relation definition in the
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   556
            # schema and if it has not been added during other event of the same
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   557
            # transaction
6163
407f54345687 [migration] fix add_relation_type() for symmetric relations
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 6097
diff changeset
   558
            if not (relation_already_defined or
2101
08003e0354a7 update transaction data api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2056
diff changeset
   559
                    rtype in session.transaction_data.get('createdtables', ())):
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   560
                rschema = schema.rschema(rtype)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   561
                # create the necessary table
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   562
                for sql in y2sql.rschema2sql(rschema).split(';'):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   563
                    if sql.strip():
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   564
                        session.system_sql(sql)
2101
08003e0354a7 update transaction data api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2056
diff changeset
   565
                session.transaction_data.setdefault('createdtables', []).append(
08003e0354a7 update transaction data api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2056
diff changeset
   566
                    rtype)
1802
d628defebc17 delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1398
diff changeset
   567
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   568
    # XXX revertprecommit_event
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   569
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   570
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   571
class RDefDelOp(MemSchemaOperation):
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   572
    """an actual relation has been removed"""
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   573
    rdef = None # make pylint happy
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   574
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   575
    def precommit_event(self):
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   576
        session = self.session
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   577
        rdef = self.rdef
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   578
        rschema = rdef.rtype
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   579
        # make necessary changes to the system source database first
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   580
        rdeftype = rschema.final and 'CWAttribute' or 'CWRelation'
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   581
        execute = session.execute
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   582
        rset = execute('Any COUNT(X) WHERE X is %s, X relation_type R,'
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   583
                       'R eid %%(x)s' % rdeftype, {'x': rschema.eid})
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   584
        lastrel = rset[0][0] == 0
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   585
        # we have to update physical schema systematically for final and inlined
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   586
        # relations, but only if it's the last instance for this relation type
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   587
        # for other relations
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   588
        if (rschema.final or rschema.inlined):
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   589
            rset = execute('Any COUNT(X) WHERE X is %s, X relation_type R, '
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   590
                           'R eid %%(r)s, X from_entity E, E eid %%(e)s'
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   591
                           % rdeftype,
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   592
                           {'r': rschema.eid, 'e': rdef.subject.eid})
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   593
            if rset[0][0] == 0 and not session.deleted_in_transaction(rdef.subject.eid):
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   594
                ptypes = session.transaction_data.setdefault('pendingrtypes', set())
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   595
                ptypes.add(rschema.type)
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   596
                DropColumn(session, table=SQL_PREFIX + str(rdef.subject),
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   597
                           column=SQL_PREFIX + str(rschema))
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   598
        elif lastrel:
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   599
            DropRelationTable(session, str(rschema))
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   600
        # then update the in-memory schema
7504
d95f9002edcc [sync schema hooks] consider etype name map before trying to update in-memory schema
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7185
diff changeset
   601
        if rdef.subject not in ETYPE_NAME_MAP and rdef.object not in ETYPE_NAME_MAP:
d95f9002edcc [sync schema hooks] consider etype name map before trying to update in-memory schema
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7185
diff changeset
   602
            rschema.del_relation_def(rdef.subject, rdef.object)
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   603
        # if this is the last relation definition of this type, drop associated
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   604
        # relation type
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   605
        if lastrel and not session.deleted_in_transaction(rschema.eid):
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   606
            execute('DELETE CWRType X WHERE X eid %(x)s', {'x': rschema.eid})
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   607
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   608
    def revertprecommit_event(self):
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   609
        # revert changes on in memory schema
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   610
        #
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   611
        # Note: add_relation_def takes a RelationDefinition, not a
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   612
        # RelationDefinitionSchema, needs to fake it
7504
d95f9002edcc [sync schema hooks] consider etype name map before trying to update in-memory schema
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7185
diff changeset
   613
        rdef = self.rdef
d95f9002edcc [sync schema hooks] consider etype name map before trying to update in-memory schema
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7185
diff changeset
   614
        rdef.name = str(rdef.rtype)
d95f9002edcc [sync schema hooks] consider etype name map before trying to update in-memory schema
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7185
diff changeset
   615
        if rdef.subject not in ETYPE_NAME_MAP and rdef.object not in ETYPE_NAME_MAP:
d95f9002edcc [sync schema hooks] consider etype name map before trying to update in-memory schema
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7185
diff changeset
   616
            self.session.vreg.schema.add_relation_def(rdef)
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   617
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   618
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   619
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   620
class RDefUpdateOp(MemSchemaOperation):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   621
    """actually update some properties of a relation definition"""
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   622
    rschema = rdefkey = values = None # make pylint happy
6002
0ce7052ce30b [schema sync] if something went wrong while getting rdef in precommit event, rdef adttribute won't be set in revertprecommit. We don't want to fail in such case
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5891
diff changeset
   623
    rdef = oldvalues = None
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   624
    indexed_changed = null_allowed_changed = False
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   625
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   626
    def precommit_event(self):
4807
5642bfa43236 [cleanup] add index_entity to abstract source, add docstring
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4806
diff changeset
   627
        session = self.session
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   628
        rdef = self.rdef = self.rschema.rdefs[self.rdefkey]
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   629
        # update the in-memory schema first
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   630
        self.oldvalues = dict( (attr, getattr(rdef, attr)) for attr in self.values)
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   631
        rdef.update(self.values)
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   632
        # then make necessary changes to the system source database
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7185
diff changeset
   633
        syssource = session.cnxset.source('system')
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   634
        if 'indexed' in self.values:
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   635
            syssource.update_rdef_indexed(session, rdef)
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   636
            self.indexed_changed = True
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   637
        if 'cardinality' in self.values and (rdef.rtype.final or
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   638
                                             rdef.rtype.inlined) \
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   639
              and self.values['cardinality'][0] != self.oldvalues['cardinality'][0]:
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   640
            syssource.update_rdef_null_allowed(self.session, rdef)
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   641
            self.null_allowed_changed = True
4667
6c8eccb1b695 [fix] Apply fulltextindexed change in the actual index
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 4624
diff changeset
   642
        if 'fulltextindexed' in self.values:
6426
541659c39f6a [hook/operation] nicer api to achieve same result as set_operation, as described in #1253630
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6333
diff changeset
   643
            UpdateFTIndexOp.get_instance(session).add_data(rdef.subject)
1802
d628defebc17 delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1398
diff changeset
   644
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   645
    def revertprecommit_event(self):
6002
0ce7052ce30b [schema sync] if something went wrong while getting rdef in precommit event, rdef adttribute won't be set in revertprecommit. We don't want to fail in such case
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5891
diff changeset
   646
        if self.rdef is None:
0ce7052ce30b [schema sync] if something went wrong while getting rdef in precommit event, rdef adttribute won't be set in revertprecommit. We don't want to fail in such case
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5891
diff changeset
   647
            return
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   648
        # revert changes on in memory schema
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   649
        self.rdef.update(self.oldvalues)
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   650
        # revert changes on database
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7185
diff changeset
   651
        syssource = self.session.cnxset.source('system')
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   652
        if self.indexed_changed:
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   653
            syssource.update_rdef_indexed(self.session, self.rdef)
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   654
        if self.null_allowed_changed:
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   655
            syssource.update_rdef_null_allowed(self.session, self.rdef)
1251
af40e615dc89 introduce a 'cw_' prefix on entity table and column names so we don't conflict with sql or DBMS specific keywords
sylvain.thenault@logilab.fr
parents: 0
diff changeset
   656
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   657
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   658
def _set_modifiable_constraints(rdef):
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   659
    # for proper in-place modification of in-memory schema: if rdef.constraints
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   660
    # is already a list, reuse it (we're updating multiple constraints of the
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   661
    # same rdef in the same transactions)
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   662
    if not isinstance(rdef.constraints, list):
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   663
        rdef.constraints = list(rdef.constraints)
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   664
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   665
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   666
class CWConstraintDelOp(MemSchemaOperation):
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   667
    """actually remove a constraint of a relation definition"""
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   668
    rdef = oldcstr = newcstr = None # make pylint happy
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   669
    size_cstr_changed = unique_changed = False
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   670
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   671
    def precommit_event(self):
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   672
        session = self.session
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   673
        rdef = self.rdef
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   674
        # in-place modification of in-memory schema first
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   675
        _set_modifiable_constraints(rdef)
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   676
        rdef.constraints.remove(self.oldcstr)
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   677
        # then update database: alter the physical schema on size/unique
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   678
        # constraint changes
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7185
diff changeset
   679
        syssource = session.cnxset.source('system')
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   680
        cstrtype = self.oldcstr.type()
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   681
        if cstrtype == 'SizeConstraint':
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   682
            syssource.update_rdef_column(session, rdef)
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   683
            self.size_cstr_changed = True
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   684
        elif cstrtype == 'UniqueConstraint':
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   685
            syssource.update_rdef_unique(session, rdef)
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   686
            self.unique_changed = True
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   687
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   688
    def revertprecommit_event(self):
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   689
        # revert changes on in memory schema
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   690
        if self.newcstr is not None:
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   691
            self.rdef.constraints.remove(self.newcstr)
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   692
        if self.oldcstr is not None:
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   693
            self.rdef.constraints.append(self.oldcstr)
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   694
        # revert changes on database
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7185
diff changeset
   695
        syssource = self.session.cnxset.source('system')
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   696
        if self.size_cstr_changed:
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   697
            syssource.update_rdef_column(self.session, self.rdef)
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   698
        if self.unique_changed:
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   699
            syssource.update_rdef_unique(self.session, self.rdef)
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   700
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   701
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   702
class CWConstraintAddOp(CWConstraintDelOp):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   703
    """actually update constraint of a relation definition"""
1138
22f634977c95 make pylint happy, fix some bugs on the way
sylvain.thenault@logilab.fr
parents: 0
diff changeset
   704
    entity = None # make pylint happy
1802
d628defebc17 delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1398
diff changeset
   705
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   706
    def precommit_event(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   707
        session = self.session
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   708
        rdefentity = self.entity.reverse_constrained_by[0]
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   709
        # when the relation is added in the same transaction, the constraint
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   710
        # object is created by the operation adding the attribute or relation,
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   711
        # so there is nothing to do here
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   712
        if session.added_in_transaction(rdefentity.eid):
1802
d628defebc17 delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1398
diff changeset
   713
            return
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   714
        rdef = self.rdef = session.vreg.schema.schema_by_eid(rdefentity.eid)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   715
        cstrtype = self.entity.type
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   716
        oldcstr = self.oldcstr = rdef.constraint_by_type(cstrtype)
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   717
        newcstr = self.newcstr = CONSTRAINTS[cstrtype].deserialize(self.entity.value)
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   718
        # in-place modification of in-memory schema first
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   719
        _set_modifiable_constraints(rdef)
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   720
        newcstr.eid = self.entity.eid
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   721
        if oldcstr is not None:
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   722
            rdef.constraints.remove(oldcstr)
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   723
        rdef.constraints.append(newcstr)
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   724
        # then update database: alter the physical schema on size/unique
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   725
        # constraint changes
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7185
diff changeset
   726
        syssource = session.cnxset.source('system')
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   727
        if cstrtype == 'SizeConstraint' and (oldcstr is None or
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   728
                                             oldcstr.max != newcstr.max):
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   729
            syssource.update_rdef_column(session, rdef)
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   730
            self.size_cstr_changed = True
2697
a0c4bc933a1b [schema hooks] rename variable, check unique constraint actually changed before creating the index
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2680
diff changeset
   731
        elif cstrtype == 'UniqueConstraint' and oldcstr is None:
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   732
            syssource.update_rdef_unique(session, rdef)
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   733
            self.unique_changed = True
1802
d628defebc17 delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1398
diff changeset
   734
6815
a84190d4e78c [schema] fix pb with ambiguous relation used within UniqueTogetherConstraint by having CWUniqueTogetherConstraint.relation targeting CWRType instead of CWAttribute/CWRelation. This fixes 3.10.7 migration.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6789
diff changeset
   735
6208
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
   736
class CWUniqueTogetherConstraintAddOp(MemSchemaOperation):
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
   737
    entity = None # make pylint happy
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
   738
    def precommit_event(self):
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
   739
        session = self.session
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
   740
        prefix = SQL_PREFIX
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
   741
        table = '%s%s' % (prefix, self.entity.constraint_of[0].name)
6815
a84190d4e78c [schema] fix pb with ambiguous relation used within UniqueTogetherConstraint by having CWUniqueTogetherConstraint.relation targeting CWRType instead of CWAttribute/CWRelation. This fixes 3.10.7 migration.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6789
diff changeset
   742
        cols = ['%s%s' % (prefix, r.name) for r in self.entity.relations]
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7185
diff changeset
   743
        dbhelper= session.cnxset.source('system').dbhelper
6294
a1535abe6ab2 use new logilab.database interface for multicol indexes
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6261
diff changeset
   744
        sqls = dbhelper.sqls_create_multicol_unique_index(table, cols)
a1535abe6ab2 use new logilab.database interface for multicol indexes
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6261
diff changeset
   745
        for sql in sqls:
a1535abe6ab2 use new logilab.database interface for multicol indexes
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6261
diff changeset
   746
            session.system_sql(sql)
6208
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
   747
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
   748
    # XXX revertprecommit_event
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
   749
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
   750
    def postcommit_event(self):
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
   751
        eschema = self.session.vreg.schema.schema_by_eid(self.entity.constraint_of[0].eid)
6815
a84190d4e78c [schema] fix pb with ambiguous relation used within UniqueTogetherConstraint by having CWUniqueTogetherConstraint.relation targeting CWRType instead of CWAttribute/CWRelation. This fixes 3.10.7 migration.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6789
diff changeset
   752
        attrs = [r.name for r in self.entity.relations]
6208
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
   753
        eschema._unique_together.append(attrs)
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
   754
6815
a84190d4e78c [schema] fix pb with ambiguous relation used within UniqueTogetherConstraint by having CWUniqueTogetherConstraint.relation targeting CWRType instead of CWAttribute/CWRelation. This fixes 3.10.7 migration.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6789
diff changeset
   755
6208
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
   756
class CWUniqueTogetherConstraintDelOp(MemSchemaOperation):
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
   757
    entity = oldcstr = None # for pylint
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
   758
    cols = [] # for pylint
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
   759
    def precommit_event(self):
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
   760
        session = self.session
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
   761
        prefix = SQL_PREFIX
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
   762
        table = '%s%s' % (prefix, self.entity.type)
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7185
diff changeset
   763
        dbhelper= session.cnxset.source('system').dbhelper
6208
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
   764
        cols = ['%s%s' % (prefix, c) for c in self.cols]
6294
a1535abe6ab2 use new logilab.database interface for multicol indexes
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6261
diff changeset
   765
        sqls = dbhelper.sqls_drop_multicol_unique_index(table, cols)
a1535abe6ab2 use new logilab.database interface for multicol indexes
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6261
diff changeset
   766
        for sql in sqls:
8533
73469aa94afe [hooks/syncschema] do not crash on DROP of an already dropped index/... (closes #2465393)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8216
diff changeset
   767
            try:
73469aa94afe [hooks/syncschema] do not crash on DROP of an already dropped index/... (closes #2465393)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8216
diff changeset
   768
                session.system_sql(sql)
8695
358d8bed9626 [toward-py3k] rewrite to "except AnException as exc:" (part of #2711624)
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 8556
diff changeset
   769
            except Exception as exc: # should be ProgrammingError
8533
73469aa94afe [hooks/syncschema] do not crash on DROP of an already dropped index/... (closes #2465393)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8216
diff changeset
   770
                if sql.startswith('DROP'):
8534
6ed331fd4347 [hooks/syncshema] fix logging level and nicer message (wrong changeset published previously)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8533
diff changeset
   771
                    self.error('execute of `%s` failed (cause: %s)', sql, exc)
8533
73469aa94afe [hooks/syncschema] do not crash on DROP of an already dropped index/... (closes #2465393)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8216
diff changeset
   772
                    continue
73469aa94afe [hooks/syncschema] do not crash on DROP of an already dropped index/... (closes #2465393)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8216
diff changeset
   773
                raise
6208
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
   774
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
   775
    # XXX revertprecommit_event
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
   776
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
   777
    def postcommit_event(self):
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
   778
        eschema = self.session.vreg.schema.schema_by_eid(self.entity.eid)
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
   779
        cols = set(self.cols)
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
   780
        unique_together = [ut for ut in eschema._unique_together
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
   781
                           if set(ut) != cols]
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
   782
        eschema._unique_together = unique_together
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   783
6815
a84190d4e78c [schema] fix pb with ambiguous relation used within UniqueTogetherConstraint by having CWUniqueTogetherConstraint.relation targeting CWRType instead of CWAttribute/CWRelation. This fixes 3.10.7 migration.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6789
diff changeset
   784
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   785
# operations for in-memory schema synchronization  #############################
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   786
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   787
class MemSchemaCWETypeDel(MemSchemaOperation):
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   788
    """actually remove the entity type from the instance's schema"""
7879
9aae456abab5 [pylint] fix pylint detected errors and tweak it so that pylint -E will be much less verbose next time (+ update some copyrights on the way)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7815
diff changeset
   789
    etype = None # make pylint happy
9aae456abab5 [pylint] fix pylint detected errors and tweak it so that pylint -E will be much less verbose next time (+ update some copyrights on the way)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7815
diff changeset
   790
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   791
    def postcommit_event(self):
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   792
        # del_entity_type also removes entity's relations
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   793
        self.session.vreg.schema.del_entity_type(self.etype)
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   794
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   795
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   796
class MemSchemaCWRTypeAdd(MemSchemaOperation):
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   797
    """actually add the relation type to the instance's schema"""
7879
9aae456abab5 [pylint] fix pylint detected errors and tweak it so that pylint -E will be much less verbose next time (+ update some copyrights on the way)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7815
diff changeset
   798
    rtypedef = None # make pylint happy
9aae456abab5 [pylint] fix pylint detected errors and tweak it so that pylint -E will be much less verbose next time (+ update some copyrights on the way)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7815
diff changeset
   799
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   800
    def precommit_event(self):
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   801
        self.session.vreg.schema.add_relation_type(self.rtypedef)
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   802
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   803
    def revertprecommit_event(self):
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   804
        self.session.vreg.schema.del_relation_type(self.rtypedef.name)
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   805
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   806
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   807
class MemSchemaCWRTypeDel(MemSchemaOperation):
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   808
    """actually remove the relation type from the instance's schema"""
7879
9aae456abab5 [pylint] fix pylint detected errors and tweak it so that pylint -E will be much less verbose next time (+ update some copyrights on the way)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7815
diff changeset
   809
    rtype = None # make pylint happy
9aae456abab5 [pylint] fix pylint detected errors and tweak it so that pylint -E will be much less verbose next time (+ update some copyrights on the way)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7815
diff changeset
   810
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   811
    def postcommit_event(self):
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   812
        try:
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   813
            self.session.vreg.schema.del_relation_type(self.rtype)
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   814
        except KeyError:
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   815
            # s/o entity type have already been deleted
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   816
            pass
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   817
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   818
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3870
diff changeset
   819
class MemSchemaPermissionAdd(MemSchemaOperation):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   820
    """synchronize schema when a *_permission relation has been added on a group
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   821
    """
7879
9aae456abab5 [pylint] fix pylint detected errors and tweak it so that pylint -E will be much less verbose next time (+ update some copyrights on the way)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7815
diff changeset
   822
    eid = action = group_eid = expr = None # make pylint happy
1802
d628defebc17 delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1398
diff changeset
   823
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   824
    def precommit_event(self):
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7185
diff changeset
   825
        """the observed connections.cnxset has been commited"""
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   826
        try:
4011
394f853bb653 [migration] write migration instructions for permissions handling on relation definition
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4003
diff changeset
   827
            erschema = self.session.vreg.schema.schema_by_eid(self.eid)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   828
        except KeyError:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   829
            # duh, schema not found, log error and skip operation
4624
1b46d5ece0d5 turn default logging threshold to warning (we usually want them), and log 'no schema for eid' pb using warning instead of error, so we see them in logs but not during migration
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4591
diff changeset
   830
            self.warning('no schema for %s', self.eid)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   831
            return
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3870
diff changeset
   832
        perms = list(erschema.action_permissions(self.action))
7880
f475a34d0ddc [sync schema hooks] pylint fixes have broken hasattr test
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7879
diff changeset
   833
        if self.group_eid is not None:
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3870
diff changeset
   834
            perm = self.session.entity_from_eid(self.group_eid).name
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3870
diff changeset
   835
        else:
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3870
diff changeset
   836
            perm = erschema.rql_expression(self.expr)
1802
d628defebc17 delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1398
diff changeset
   837
        try:
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3870
diff changeset
   838
            perms.index(perm)
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3870
diff changeset
   839
            self.warning('%s already in permissions for %s on %s',
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3870
diff changeset
   840
                         perm, self.action, erschema)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   841
        except ValueError:
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3870
diff changeset
   842
            perms.append(perm)
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3870
diff changeset
   843
            erschema.set_action_permissions(self.action, perms)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   844
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   845
    # XXX revertprecommit_event
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   846
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   847
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3870
diff changeset
   848
class MemSchemaPermissionDel(MemSchemaPermissionAdd):
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   849
    """synchronize schema when a *_permission relation has been deleted from a
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   850
    group
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   851
    """
1802
d628defebc17 delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1398
diff changeset
   852
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   853
    def precommit_event(self):
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7185
diff changeset
   854
        """the observed connections set has been commited"""
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   855
        try:
4011
394f853bb653 [migration] write migration instructions for permissions handling on relation definition
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4003
diff changeset
   856
            erschema = self.session.vreg.schema.schema_by_eid(self.eid)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   857
        except KeyError:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   858
            # duh, schema not found, log error and skip operation
4624
1b46d5ece0d5 turn default logging threshold to warning (we usually want them), and log 'no schema for eid' pb using warning instead of error, so we see them in logs but not during migration
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4591
diff changeset
   859
            self.warning('no schema for %s', self.eid)
4011
394f853bb653 [migration] write migration instructions for permissions handling on relation definition
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4003
diff changeset
   860
            return
394f853bb653 [migration] write migration instructions for permissions handling on relation definition
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4003
diff changeset
   861
        if isinstance(erschema, RelationSchema): # XXX 3.6 migration
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   862
            return
4570
ede247bbbf62 follow yams api change: attributes permissions are now defined for
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4467
diff changeset
   863
        if isinstance(erschema, RelationDefinitionSchema) and \
ede247bbbf62 follow yams api change: attributes permissions are now defined for
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4467
diff changeset
   864
               self.action in ('delete', 'add'): # XXX 3.6.1 migration
ede247bbbf62 follow yams api change: attributes permissions are now defined for
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4467
diff changeset
   865
            return
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3870
diff changeset
   866
        perms = list(erschema.action_permissions(self.action))
7880
f475a34d0ddc [sync schema hooks] pylint fixes have broken hasattr test
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7879
diff changeset
   867
        if self.group_eid is not None:
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3870
diff changeset
   868
            perm = self.session.entity_from_eid(self.group_eid).name
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3870
diff changeset
   869
        else:
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3870
diff changeset
   870
            perm = erschema.rql_expression(self.expr)
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   871
        try:
4011
394f853bb653 [migration] write migration instructions for permissions handling on relation definition
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4003
diff changeset
   872
            perms.remove(perm)
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3870
diff changeset
   873
            erschema.set_action_permissions(self.action, perms)
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3870
diff changeset
   874
        except ValueError:
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3870
diff changeset
   875
            self.error('can\'t remove permission %s for %s on %s',
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3870
diff changeset
   876
                       perm, self.action, erschema)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   877
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   878
    # XXX revertprecommit_event
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   879
1802
d628defebc17 delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1398
diff changeset
   880
2963
12ad88615a12 test and fix migration introducing base classes (w/ regard to yams inheritance)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   881
class MemSchemaSpecializesAdd(MemSchemaOperation):
7879
9aae456abab5 [pylint] fix pylint detected errors and tweak it so that pylint -E will be much less verbose next time (+ update some copyrights on the way)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7815
diff changeset
   882
    etypeeid = parentetypeeid = None # make pylint happy
2963
12ad88615a12 test and fix migration introducing base classes (w/ regard to yams inheritance)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   883
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   884
    def precommit_event(self):
3400
93fc0070673a access to schema through vreg
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3376
diff changeset
   885
        eschema = self.session.vreg.schema.schema_by_eid(self.etypeeid)
93fc0070673a access to schema through vreg
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3376
diff changeset
   886
        parenteschema = self.session.vreg.schema.schema_by_eid(self.parentetypeeid)
2963
12ad88615a12 test and fix migration introducing base classes (w/ regard to yams inheritance)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   887
        eschema._specialized_type = parenteschema.type
12ad88615a12 test and fix migration introducing base classes (w/ regard to yams inheritance)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   888
        parenteschema._specialized_by.append(eschema.type)
12ad88615a12 test and fix migration introducing base classes (w/ regard to yams inheritance)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   889
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   890
    # XXX revertprecommit_event
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   891
2963
12ad88615a12 test and fix migration introducing base classes (w/ regard to yams inheritance)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   892
12ad88615a12 test and fix migration introducing base classes (w/ regard to yams inheritance)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   893
class MemSchemaSpecializesDel(MemSchemaOperation):
7879
9aae456abab5 [pylint] fix pylint detected errors and tweak it so that pylint -E will be much less verbose next time (+ update some copyrights on the way)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7815
diff changeset
   894
    etypeeid = parentetypeeid = None # make pylint happy
2963
12ad88615a12 test and fix migration introducing base classes (w/ regard to yams inheritance)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   895
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   896
    def precommit_event(self):
2963
12ad88615a12 test and fix migration introducing base classes (w/ regard to yams inheritance)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   897
        try:
3400
93fc0070673a access to schema through vreg
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3376
diff changeset
   898
            eschema = self.session.vreg.schema.schema_by_eid(self.etypeeid)
93fc0070673a access to schema through vreg
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3376
diff changeset
   899
            parenteschema = self.session.vreg.schema.schema_by_eid(self.parentetypeeid)
2963
12ad88615a12 test and fix migration introducing base classes (w/ regard to yams inheritance)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   900
        except KeyError:
12ad88615a12 test and fix migration introducing base classes (w/ regard to yams inheritance)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   901
            # etype removed, nothing to do
12ad88615a12 test and fix migration introducing base classes (w/ regard to yams inheritance)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   902
            return
12ad88615a12 test and fix migration introducing base classes (w/ regard to yams inheritance)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   903
        eschema._specialized_type = None
12ad88615a12 test and fix migration introducing base classes (w/ regard to yams inheritance)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   904
        parenteschema._specialized_by.remove(eschema.type)
12ad88615a12 test and fix migration introducing base classes (w/ regard to yams inheritance)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   905
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   906
    # XXX revertprecommit_event
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   907
2968
0e3460341023 somewhat painful backport of 3.5 branch, should mostly be ok
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2967 2902
diff changeset
   908
2841
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
   909
# CWEType hooks ################################################################
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
   910
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
   911
class DelCWETypeHook(SyncSchemaHook):
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   912
    """before deleting a CWEType entity:
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   913
    * check that we don't remove a core entity type
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   914
    * cascade to delete related CWAttribute and CWRelation entities
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   915
    * instantiate an operation to delete the entity type on commit
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   916
    """
3376
f5c69485381f [appobjects] use __regid__ instead of __id__, more explicit
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2968
diff changeset
   917
    __regid__ = 'syncdelcwetype'
5877
0c7b7b76a84f [selectors] provide a new, optimized, is_instance selector that should at some point replace implements (along with the adaptable selector)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5849
diff changeset
   918
    __select__ = SyncSchemaHook.__select__ & is_instance('CWEType')
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   919
    events = ('before_delete_entity',)
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   920
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   921
    def __call__(self):
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   922
        # final entities can't be deleted, don't care about that
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   923
        name = self.entity.name
6261
82d3ac90e47c [syncschema hooks] simplify core types definition be reusing schema sets (remove typos on the way)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6208
diff changeset
   924
        if name in CORE_TYPES:
8556
bbe0d6985e59 [validation error] refactor validation error handling so translation is done on the web side
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8534
diff changeset
   925
            raise validation_error(self.entity, {None: _("can't be deleted")})
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   926
        # delete every entities of this type
7504
d95f9002edcc [sync schema hooks] consider etype name map before trying to update in-memory schema
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7185
diff changeset
   927
        if name not in ETYPE_NAME_MAP:
5558
afd1face1faf [schema migration] make some stuff to ease file 1.9 migration : we want to kill the Image entity so that existing image are turned into (existing entity type) File entities
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5556
diff changeset
   928
            self._cw.execute('DELETE %s X' % name)
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   929
            MemSchemaCWETypeDel(self._cw, etype=name)
2847
c2ee28f4d4b1 use ._cw instead of .cw_req
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2841
diff changeset
   930
        DropTable(self._cw, table=SQL_PREFIX + name)
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   931
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   932
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   933
class AfterDelCWETypeHook(DelCWETypeHook):
3376
f5c69485381f [appobjects] use __regid__ instead of __id__, more explicit
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2968
diff changeset
   934
    __regid__ = 'wfcleanup'
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   935
    events = ('after_delete_entity',)
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   936
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   937
    def __call__(self):
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   938
        # workflow cleanup
2968
0e3460341023 somewhat painful backport of 3.5 branch, should mostly be ok
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2967 2902
diff changeset
   939
        self._cw.execute('DELETE Workflow X WHERE NOT X workflow_of Y')
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   940
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   941
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   942
class AfterAddCWETypeHook(DelCWETypeHook):
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   943
    """after adding a CWEType entity:
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   944
    * create the necessary table
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   945
    * set creation_date and modification_date by creating the necessary
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   946
      CWAttribute entities
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   947
    * add owned_by relation by creating the necessary CWRelation entity
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   948
    * register an operation to add the entity type to the instance's
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   949
      schema on commit
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   950
    """
3376
f5c69485381f [appobjects] use __regid__ instead of __id__, more explicit
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2968
diff changeset
   951
    __regid__ = 'syncaddcwetype'
3402
434946bb5356 should be a after_add hook
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3400
diff changeset
   952
    events = ('after_add_entity',)
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   953
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   954
    def __call__(self):
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   955
        entity = self.entity
6142
8bc6eac1fac1 [session] cleanup hook / operation / entity edition api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6097
diff changeset
   956
        if entity.cw_edited.get('final'):
7181
e54ad6984e01 [schema synchronization] get back eid when adding a final entity type, else it may cause pb on later schema synchronization during the migration where the type is added
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7021
diff changeset
   957
            # final entity types don't need a table in the database and are
7185
6e42b595e5df rephrase
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7181
diff changeset
   958
            # systematically added by yams at schema initialization time so
6e42b595e5df rephrase
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7181
diff changeset
   959
            # there is no need to do further processing. Simply assign its eid.
7181
e54ad6984e01 [schema synchronization] get back eid when adding a final entity type, else it may cause pb on later schema synchronization during the migration where the type is added
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7021
diff changeset
   960
            self._cw.vreg.schema[entity.name].eid = entity.eid
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   961
            return
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   962
        CWETypeAddOp(self._cw, entity=entity)
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   963
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   964
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   965
class BeforeUpdateCWETypeHook(DelCWETypeHook):
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   966
    """check name change, handle final"""
3376
f5c69485381f [appobjects] use __regid__ instead of __id__, more explicit
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2968
diff changeset
   967
    __regid__ = 'syncupdatecwetype'
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   968
    events = ('before_update_entity',)
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   969
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   970
    def __call__(self):
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   971
        entity = self.entity
2847
c2ee28f4d4b1 use ._cw instead of .cw_req
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2841
diff changeset
   972
        check_valid_changes(self._cw, entity, ro_attrs=('final',))
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   973
        # don't use getattr(entity, attr), we would get the modified value if any
6142
8bc6eac1fac1 [session] cleanup hook / operation / entity edition api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6097
diff changeset
   974
        if 'name' in entity.cw_edited:
8bc6eac1fac1 [session] cleanup hook / operation / entity edition api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6097
diff changeset
   975
            oldname, newname = entity.cw_edited.oldnewvalue('name')
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   976
            if newname.lower() != oldname.lower():
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
   977
                CWETypeRenameOp(self._cw, oldname=oldname, newname=newname)
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   978
2841
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
   979
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
   980
# CWRType hooks ################################################################
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
   981
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
   982
class DelCWRTypeHook(SyncSchemaHook):
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   983
    """before deleting a CWRType entity:
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   984
    * check that we don't remove a core relation type
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   985
    * cascade to delete related CWAttribute and CWRelation entities
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   986
    * instantiate an operation to delete the relation type on commit
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
   987
    """
3376
f5c69485381f [appobjects] use __regid__ instead of __id__, more explicit
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2968
diff changeset
   988
    __regid__ = 'syncdelcwrtype'
5877
0c7b7b76a84f [selectors] provide a new, optimized, is_instance selector that should at some point replace implements (along with the adaptable selector)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5849
diff changeset
   989
    __select__ = SyncSchemaHook.__select__ & is_instance('CWRType')
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   990
    events = ('before_delete_entity',)
2841
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
   991
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   992
    def __call__(self):
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   993
        name = self.entity.name
6261
82d3ac90e47c [syncschema hooks] simplify core types definition be reusing schema sets (remove typos on the way)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6208
diff changeset
   994
        if name in CORE_TYPES:
8556
bbe0d6985e59 [validation error] refactor validation error handling so translation is done on the web side
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8534
diff changeset
   995
            raise validation_error(self.entity, {None: _("can't be deleted")})
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   996
        # delete relation definitions using this relation type
2847
c2ee28f4d4b1 use ._cw instead of .cw_req
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2841
diff changeset
   997
        self._cw.execute('DELETE CWAttribute X WHERE X relation_type Y, Y eid %(x)s',
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
   998
                        {'x': self.entity.eid})
2847
c2ee28f4d4b1 use ._cw instead of .cw_req
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2841
diff changeset
   999
        self._cw.execute('DELETE CWRelation X WHERE X relation_type Y, Y eid %(x)s',
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1000
                        {'x': self.entity.eid})
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
  1001
        MemSchemaCWRTypeDel(self._cw, rtype=name)
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
  1002
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
  1003
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1004
class AfterAddCWRTypeHook(DelCWRTypeHook):
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
  1005
    """after a CWRType entity has been added:
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
  1006
    * register an operation to add the relation type to the instance's
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
  1007
      schema on commit
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1008
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1009
    We don't know yet this point if a table is necessary
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
  1010
    """
3376
f5c69485381f [appobjects] use __regid__ instead of __id__, more explicit
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2968
diff changeset
  1011
    __regid__ = 'syncaddcwrtype'
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1012
    events = ('after_add_entity',)
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1013
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1014
    def __call__(self):
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1015
        entity = self.entity
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
  1016
        rtypedef = ybo.RelationType(name=entity.name,
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
  1017
                                    description=entity.description,
6142
8bc6eac1fac1 [session] cleanup hook / operation / entity edition api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6097
diff changeset
  1018
                                    inlined=entity.cw_edited.get('inlined', False),
8bc6eac1fac1 [session] cleanup hook / operation / entity edition api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6097
diff changeset
  1019
                                    symmetric=entity.cw_edited.get('symmetric', False),
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
  1020
                                    eid=entity.eid)
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
  1021
        MemSchemaCWRTypeAdd(self._cw, rtypedef=rtypedef)
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
  1022
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
  1023
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1024
class BeforeUpdateCWRTypeHook(DelCWRTypeHook):
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1025
    """check name change, handle final"""
4839
f482dbdf2f8c [schema hooks] properly check for changes of schema properties avoid useless costly operation (such as full-text reindexing all entities of a type). Refactor inlined handling and fix a bug trying to reindex a final entity type on the way.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4828
diff changeset
  1026
    __regid__ = 'syncupdatecwrtype'
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1027
    events = ('before_update_entity',)
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1028
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1029
    def __call__(self):
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1030
        entity = self.entity
4839
f482dbdf2f8c [schema hooks] properly check for changes of schema properties avoid useless costly operation (such as full-text reindexing all entities of a type). Refactor inlined handling and fix a bug trying to reindex a final entity type on the way.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4828
diff changeset
  1031
        check_valid_changes(self._cw, entity)
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1032
        newvalues = {}
4827
8a505bf12193 [hook] use entity instead of values dict, check for edited_attributes on rtype change
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4826
diff changeset
  1033
        for prop in ('symmetric', 'inlined', 'fulltext_container'):
6142
8bc6eac1fac1 [session] cleanup hook / operation / entity edition api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6097
diff changeset
  1034
            if prop in entity.cw_edited:
8bc6eac1fac1 [session] cleanup hook / operation / entity edition api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6097
diff changeset
  1035
                old, new = entity.cw_edited.oldnewvalue(prop)
4839
f482dbdf2f8c [schema hooks] properly check for changes of schema properties avoid useless costly operation (such as full-text reindexing all entities of a type). Refactor inlined handling and fix a bug trying to reindex a final entity type on the way.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4828
diff changeset
  1036
                if old != new:
6142
8bc6eac1fac1 [session] cleanup hook / operation / entity edition api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6097
diff changeset
  1037
                    newvalues[prop] = new
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1038
        if newvalues:
4827
8a505bf12193 [hook] use entity instead of values dict, check for edited_attributes on rtype change
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4826
diff changeset
  1039
            rschema = self._cw.vreg.schema.rschema(entity.name)
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
  1040
            CWRTypeUpdateOp(self._cw, rschema=rschema, entity=entity,
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
  1041
                            values=newvalues)
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1042
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
  1043
2841
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
  1044
class AfterDelRelationTypeHook(SyncSchemaHook):
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1045
    """before deleting a CWAttribute or CWRelation entity:
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1046
    * if this is a final or inlined relation definition, instantiate an
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1047
      operation to drop necessary column, else if this is the last instance
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1048
      of a non final relation, instantiate an operation to drop necessary
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1049
      table
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1050
    * instantiate an operation to delete the relation definition on commit
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1051
    * delete the associated relation type when necessary
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1052
    """
3376
f5c69485381f [appobjects] use __regid__ instead of __id__, more explicit
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2968
diff changeset
  1053
    __regid__ = 'syncdelrelationtype'
2841
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
  1054
    __select__ = SyncSchemaHook.__select__ & hook.match_rtype('relation_type')
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1055
    events = ('after_delete_relation',)
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
  1056
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1057
    def __call__(self):
2847
c2ee28f4d4b1 use ._cw instead of .cw_req
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2841
diff changeset
  1058
        session = self._cw
5558
afd1face1faf [schema migration] make some stuff to ease file 1.9 migration : we want to kill the Image entity so that existing image are turned into (existing entity type) File entities
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5556
diff changeset
  1059
        try:
afd1face1faf [schema migration] make some stuff to ease file 1.9 migration : we want to kill the Image entity so that existing image are turned into (existing entity type) File entities
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5556
diff changeset
  1060
            rdef = session.vreg.schema.schema_by_eid(self.eidfrom)
afd1face1faf [schema migration] make some stuff to ease file 1.9 migration : we want to kill the Image entity so that existing image are turned into (existing entity type) File entities
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5556
diff changeset
  1061
        except KeyError:
afd1face1faf [schema migration] make some stuff to ease file 1.9 migration : we want to kill the Image entity so that existing image are turned into (existing entity type) File entities
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5556
diff changeset
  1062
            self.critical('cant get schema rdef associated to %s', self.eidfrom)
afd1face1faf [schema migration] make some stuff to ease file 1.9 migration : we want to kill the Image entity so that existing image are turned into (existing entity type) File entities
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5556
diff changeset
  1063
            return
4011
394f853bb653 [migration] write migration instructions for permissions handling on relation definition
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4003
diff changeset
  1064
        subjschema, rschema, objschema = rdef.as_triple()
3589
a5432f99f2d9 backport stable branch
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3550 3536
diff changeset
  1065
        pendingrdefs = session.transaction_data.setdefault('pendingrdefs', set())
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1066
        # first delete existing relation if necessary
3720
5376aaadd16b backport stable
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3689 3659
diff changeset
  1067
        if rschema.final:
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1068
            rdeftype = 'CWAttribute'
3589
a5432f99f2d9 backport stable branch
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3550 3536
diff changeset
  1069
            pendingrdefs.add((subjschema, rschema))
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1070
        else:
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1071
            rdeftype = 'CWRelation'
3589
a5432f99f2d9 backport stable branch
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3550 3536
diff changeset
  1072
            pendingrdefs.add((subjschema, rschema, objschema))
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
  1073
            if not (session.deleted_in_transaction(subjschema.eid) or
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
  1074
                    session.deleted_in_transaction(objschema.eid)):
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1075
                session.execute('DELETE X %s Y WHERE X is %s, Y is %s'
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1076
                                % (rschema, subjschema, objschema))
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
  1077
        RDefDelOp(session, rdef=rdef)
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
  1078
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
  1079
2841
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
  1080
# CWAttribute / CWRelation hooks ###############################################
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
  1081
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
  1082
class AfterAddCWAttributeHook(SyncSchemaHook):
3376
f5c69485381f [appobjects] use __regid__ instead of __id__, more explicit
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2968
diff changeset
  1083
    __regid__ = 'syncaddcwattribute'
5877
0c7b7b76a84f [selectors] provide a new, optimized, is_instance selector that should at some point replace implements (along with the adaptable selector)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5849
diff changeset
  1084
    __select__ = SyncSchemaHook.__select__ & is_instance('CWAttribute')
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1085
    events = ('after_add_entity',)
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1086
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1087
    def __call__(self):
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
  1088
        CWAttributeAddOp(self._cw, entity=self.entity)
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1089
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1090
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1091
class AfterAddCWRelationHook(AfterAddCWAttributeHook):
3376
f5c69485381f [appobjects] use __regid__ instead of __id__, more explicit
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2968
diff changeset
  1092
    __regid__ = 'syncaddcwrelation'
5877
0c7b7b76a84f [selectors] provide a new, optimized, is_instance selector that should at some point replace implements (along with the adaptable selector)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5849
diff changeset
  1093
    __select__ = SyncSchemaHook.__select__ & is_instance('CWRelation')
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1094
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1095
    def __call__(self):
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
  1096
        CWRelationAddOp(self._cw, entity=self.entity)
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1097
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
  1098
2841
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
  1099
class AfterUpdateCWRDefHook(SyncSchemaHook):
3376
f5c69485381f [appobjects] use __regid__ instead of __id__, more explicit
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2968
diff changeset
  1100
    __regid__ = 'syncaddcwattribute'
5877
0c7b7b76a84f [selectors] provide a new, optimized, is_instance selector that should at some point replace implements (along with the adaptable selector)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5849
diff changeset
  1101
    __select__ = SyncSchemaHook.__select__ & is_instance('CWAttribute',
5881
57387070f612 [selectors] use before-registry-reset event to init is_instance cache: cleaner code and avoid reloading bug (making hooks test fail for instance)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5877
diff changeset
  1102
                                                         'CWRelation')
4839
f482dbdf2f8c [schema hooks] properly check for changes of schema properties avoid useless costly operation (such as full-text reindexing all entities of a type). Refactor inlined handling and fix a bug trying to reindex a final entity type on the way.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4828
diff changeset
  1103
    events = ('before_update_entity',)
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1104
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1105
    def __call__(self):
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1106
        entity = self.entity
2847
c2ee28f4d4b1 use ._cw instead of .cw_req
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2841
diff changeset
  1107
        if self._cw.deleted_in_transaction(entity.eid):
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1108
            return
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
  1109
        subjtype = entity.stype.name
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
  1110
        objtype = entity.otype.name
7504
d95f9002edcc [sync schema hooks] consider etype name map before trying to update in-memory schema
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7185
diff changeset
  1111
        if subjtype in ETYPE_NAME_MAP or objtype in ETYPE_NAME_MAP:
d95f9002edcc [sync schema hooks] consider etype name map before trying to update in-memory schema
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7185
diff changeset
  1112
            return
3400
93fc0070673a access to schema through vreg
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3376
diff changeset
  1113
        rschema = self._cw.vreg.schema[entity.rtype.name]
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
  1114
        # note: do not access schema rdef here, it may be added later by an
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
  1115
        # operation
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1116
        newvalues = {}
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
  1117
        for prop in RelationDefinitionSchema.rproperty_defs(objtype):
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1118
            if prop == 'constraints':
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1119
                continue
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1120
            if prop == 'order':
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
  1121
                attr = 'ordernum'
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
  1122
            else:
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
  1123
                attr = prop
6142
8bc6eac1fac1 [session] cleanup hook / operation / entity edition api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6097
diff changeset
  1124
            if attr in entity.cw_edited:
8bc6eac1fac1 [session] cleanup hook / operation / entity edition api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6097
diff changeset
  1125
                old, new = entity.cw_edited.oldnewvalue(attr)
4839
f482dbdf2f8c [schema hooks] properly check for changes of schema properties avoid useless costly operation (such as full-text reindexing all entities of a type). Refactor inlined handling and fix a bug trying to reindex a final entity type on the way.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4828
diff changeset
  1126
                if old != new:
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
  1127
                    newvalues[prop] = new
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1128
        if newvalues:
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
  1129
            RDefUpdateOp(self._cw, rschema=rschema, rdefkey=(subjtype, objtype),
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
  1130
                         values=newvalues)
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1131
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
  1132
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
  1133
# constraints synchronization hooks ############################################
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
  1134
2841
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
  1135
class AfterAddCWConstraintHook(SyncSchemaHook):
3376
f5c69485381f [appobjects] use __regid__ instead of __id__, more explicit
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2968
diff changeset
  1136
    __regid__ = 'syncaddcwconstraint'
5877
0c7b7b76a84f [selectors] provide a new, optimized, is_instance selector that should at some point replace implements (along with the adaptable selector)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5849
diff changeset
  1137
    __select__ = SyncSchemaHook.__select__ & is_instance('CWConstraint')
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1138
    events = ('after_add_entity', 'after_update_entity')
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1139
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1140
    def __call__(self):
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
  1141
        CWConstraintAddOp(self._cw, entity=self.entity)
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
  1142
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
  1143
2841
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
  1144
class AfterAddConstrainedByHook(SyncSchemaHook):
6208
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
  1145
    __regid__ = 'syncaddconstrainedby'
3403
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3402
diff changeset
  1146
    __select__ = SyncSchemaHook.__select__ & hook.match_rtype('constrained_by')
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1147
    events = ('after_add_relation',)
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1148
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1149
    def __call__(self):
2847
c2ee28f4d4b1 use ._cw instead of .cw_req
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2841
diff changeset
  1150
        if self._cw.added_in_transaction(self.eidfrom):
6208
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
  1151
            # used by get_constraints() which is called in CWAttributeAddOp
2847
c2ee28f4d4b1 use ._cw instead of .cw_req
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2841
diff changeset
  1152
            self._cw.transaction_data.setdefault(self.eidfrom, []).append(self.eidto)
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
  1153
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
  1154
6208
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
  1155
class BeforeDeleteConstrainedByHook(SyncSchemaHook):
3376
f5c69485381f [appobjects] use __regid__ instead of __id__, more explicit
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2968
diff changeset
  1156
    __regid__ = 'syncdelconstrainedby'
6208
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
  1157
    __select__ = SyncSchemaHook.__select__ & hook.match_rtype('constrained_by')
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1158
    events = ('before_delete_relation',)
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1159
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1160
    def __call__(self):
2847
c2ee28f4d4b1 use ._cw instead of .cw_req
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2841
diff changeset
  1161
        if self._cw.deleted_in_transaction(self.eidfrom):
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1162
            return
3400
93fc0070673a access to schema through vreg
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3376
diff changeset
  1163
        schema = self._cw.vreg.schema
2847
c2ee28f4d4b1 use ._cw instead of .cw_req
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2841
diff changeset
  1164
        entity = self._cw.entity_from_eid(self.eidto)
4052
0c39ffd789ed yams api update
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4043
diff changeset
  1165
        rdef = schema.schema_by_eid(self.eidfrom)
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
  1166
        try:
4052
0c39ffd789ed yams api update
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4043
diff changeset
  1167
            cstr = rdef.constraint_by_type(entity.type)
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
  1168
        except IndexError:
2847
c2ee28f4d4b1 use ._cw instead of .cw_req
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2841
diff changeset
  1169
            self._cw.critical('constraint type no more accessible')
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
  1170
        else:
5891
99024ad59223 [schema migration] import refactoring to fix #1109558 and enhances things on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5881
diff changeset
  1171
            CWConstraintDelOp(self._cw, rdef=rdef, oldcstr=cstr)
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
  1172
6208
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
  1173
# unique_together constraints
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
  1174
# XXX: use setoperations and before_add_relation here (on constraint_of and relations)
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
  1175
class AfterAddCWUniqueTogetherConstraintHook(SyncSchemaHook):
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
  1176
    __regid__ = 'syncadd_cwuniquetogether_constraint'
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
  1177
    __select__ = SyncSchemaHook.__select__ & is_instance('CWUniqueTogetherConstraint')
7021
fc7ac3409b0c [schema sync] we don't want to react on after_update_entity, it may only causes bug. CWUniqueConstraint should be deleted then a fresh one readded on change (as we do in sync_schema_props_perms)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6954
diff changeset
  1178
    events = ('after_add_entity',)
6208
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
  1179
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
  1180
    def __call__(self):
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
  1181
        CWUniqueTogetherConstraintAddOp(self._cw, entity=self.entity)
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
  1182
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
  1183
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
  1184
class BeforeDeleteConstraintOfHook(SyncSchemaHook):
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
  1185
    __regid__ = 'syncdelconstraintof'
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
  1186
    __select__ = SyncSchemaHook.__select__ & hook.match_rtype('constraint_of')
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
  1187
    events = ('before_delete_relation',)
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
  1188
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
  1189
    def __call__(self):
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
  1190
        if self._cw.deleted_in_transaction(self.eidto):
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
  1191
            return
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
  1192
        schema = self._cw.vreg.schema
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
  1193
        cstr = self._cw.entity_from_eid(self.eidfrom)
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
  1194
        entity = schema.schema_by_eid(self.eidto)
6815
a84190d4e78c [schema] fix pb with ambiguous relation used within UniqueTogetherConstraint by having CWUniqueTogetherConstraint.relation targeting CWRType instead of CWAttribute/CWRelation. This fixes 3.10.7 migration.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6789
diff changeset
  1195
        cols = [r.name for r in cstr.relations]
a84190d4e78c [schema] fix pb with ambiguous relation used within UniqueTogetherConstraint by having CWUniqueTogetherConstraint.relation targeting CWRType instead of CWAttribute/CWRelation. This fixes 3.10.7 migration.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6789
diff changeset
  1196
        CWUniqueTogetherConstraintDelOp(self._cw, entity=entity,
a84190d4e78c [schema] fix pb with ambiguous relation used within UniqueTogetherConstraint by having CWUniqueTogetherConstraint.relation targeting CWRType instead of CWAttribute/CWRelation. This fixes 3.10.7 migration.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6789
diff changeset
  1197
                                        oldcstr=cstr, cols=cols)
6208
07b176640a8c unique_together integration in CW (alf+syt)
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6163
diff changeset
  1198
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
  1199
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
  1200
# permissions synchronization hooks ############################################
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
  1201
2841
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
  1202
class AfterAddPermissionHook(SyncSchemaHook):
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
  1203
    """added entity/relation *_permission, need to update schema"""
3376
f5c69485381f [appobjects] use __regid__ instead of __id__, more explicit
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2968
diff changeset
  1204
    __regid__ = 'syncaddperm'
2841
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
  1205
    __select__ = SyncSchemaHook.__select__ & hook.match_rtype(
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1206
        'read_permission', 'add_permission', 'delete_permission',
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1207
        'update_permission')
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1208
    events = ('after_add_relation',)
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1209
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1210
    def __call__(self):
3890
d7a270f50f54 backport stable branch (one more time painfully)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3889 3777
diff changeset
  1211
        action = self.rtype.split('_', 1)[0]
2847
c2ee28f4d4b1 use ._cw instead of .cw_req
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2841
diff changeset
  1212
        if self._cw.describe(self.eidto)[0] == 'CWGroup':
3890
d7a270f50f54 backport stable branch (one more time painfully)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3889 3777
diff changeset
  1213
            MemSchemaPermissionAdd(self._cw, action=action, eid=self.eidfrom,
d7a270f50f54 backport stable branch (one more time painfully)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3889 3777
diff changeset
  1214
                                   group_eid=self.eidto)
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1215
        else: # RQLExpression
2847
c2ee28f4d4b1 use ._cw instead of .cw_req
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2841
diff changeset
  1216
            expr = self._cw.entity_from_eid(self.eidto).expression
4011
394f853bb653 [migration] write migration instructions for permissions handling on relation definition
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4003
diff changeset
  1217
            MemSchemaPermissionAdd(self._cw, action=action, eid=self.eidfrom,
3890
d7a270f50f54 backport stable branch (one more time painfully)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3889 3777
diff changeset
  1218
                                   expr=expr)
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
  1219
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2624
diff changeset
  1220
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1221
class BeforeDelPermissionHook(AfterAddPermissionHook):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1222
    """delete entity/relation *_permission, need to update schema
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1223
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1224
    skip the operation if the related type is being deleted
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1225
    """
3376
f5c69485381f [appobjects] use __regid__ instead of __id__, more explicit
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2968
diff changeset
  1226
    __regid__ = 'syncdelperm'
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1227
    events = ('before_delete_relation',)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1228
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1229
    def __call__(self):
2847
c2ee28f4d4b1 use ._cw instead of .cw_req
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2841
diff changeset
  1230
        if self._cw.deleted_in_transaction(self.eidfrom):
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1231
            return
3890
d7a270f50f54 backport stable branch (one more time painfully)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3889 3777
diff changeset
  1232
        action = self.rtype.split('_', 1)[0]
2847
c2ee28f4d4b1 use ._cw instead of .cw_req
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2841
diff changeset
  1233
        if self._cw.describe(self.eidto)[0] == 'CWGroup':
3890
d7a270f50f54 backport stable branch (one more time painfully)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3889 3777
diff changeset
  1234
            MemSchemaPermissionDel(self._cw, action=action, eid=self.eidfrom,
d7a270f50f54 backport stable branch (one more time painfully)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3889 3777
diff changeset
  1235
                                   group_eid=self.eidto)
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1236
        else: # RQLExpression
2847
c2ee28f4d4b1 use ._cw instead of .cw_req
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2841
diff changeset
  1237
            expr = self._cw.entity_from_eid(self.eidto).expression
3890
d7a270f50f54 backport stable branch (one more time painfully)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3889 3777
diff changeset
  1238
            MemSchemaPermissionDel(self._cw, action=action, eid=self.eidfrom,
d7a270f50f54 backport stable branch (one more time painfully)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3889 3777
diff changeset
  1239
                                   expr=expr)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1240
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1241
4667
6c8eccb1b695 [fix] Apply fulltextindexed change in the actual index
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 4624
diff changeset
  1242
6426
541659c39f6a [hook/operation] nicer api to achieve same result as set_operation, as described in #1253630
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6333
diff changeset
  1243
class UpdateFTIndexOp(hook.DataOperationMixIn, hook.SingleLastOperation):
4667
6c8eccb1b695 [fix] Apply fulltextindexed change in the actual index
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 4624
diff changeset
  1244
    """operation to update full text indexation of entity whose schema change
6c8eccb1b695 [fix] Apply fulltextindexed change in the actual index
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 4624
diff changeset
  1245
6426
541659c39f6a [hook/operation] nicer api to achieve same result as set_operation, as described in #1253630
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6333
diff changeset
  1246
    We wait after the commit to as the schema in memory is only updated after
541659c39f6a [hook/operation] nicer api to achieve same result as set_operation, as described in #1253630
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6333
diff changeset
  1247
    the commit.
4667
6c8eccb1b695 [fix] Apply fulltextindexed change in the actual index
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 4624
diff changeset
  1248
    """
6c8eccb1b695 [fix] Apply fulltextindexed change in the actual index
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 4624
diff changeset
  1249
6c8eccb1b695 [fix] Apply fulltextindexed change in the actual index
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 4624
diff changeset
  1250
    def postcommit_event(self):
6c8eccb1b695 [fix] Apply fulltextindexed change in the actual index
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 4624
diff changeset
  1251
        session = self.session
6c8eccb1b695 [fix] Apply fulltextindexed change in the actual index
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 4624
diff changeset
  1252
        source = session.repo.system_source
6426
541659c39f6a [hook/operation] nicer api to achieve same result as set_operation, as described in #1253630
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6333
diff changeset
  1253
        schema = session.repo.vreg.schema
541659c39f6a [hook/operation] nicer api to achieve same result as set_operation, as described in #1253630
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6333
diff changeset
  1254
        to_reindex = self.get_data()
4721
8f63691ccb7f pylint style fixes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
  1255
        self.info('%i etypes need full text indexed reindexation',
8f63691ccb7f pylint style fixes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
  1256
                  len(to_reindex))
4667
6c8eccb1b695 [fix] Apply fulltextindexed change in the actual index
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 4624
diff changeset
  1257
        for etype in to_reindex:
6c8eccb1b695 [fix] Apply fulltextindexed change in the actual index
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 4624
diff changeset
  1258
            rset = session.execute('Any X WHERE X is %s' % etype)
4721
8f63691ccb7f pylint style fixes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
  1259
            self.info('Reindexing full text index for %i entity of type %s',
8f63691ccb7f pylint style fixes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4719
diff changeset
  1260
                      len(rset), etype)
4667
6c8eccb1b695 [fix] Apply fulltextindexed change in the actual index
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 4624
diff changeset
  1261
            still_fti = list(schema[etype].indexable_attributes())
6c8eccb1b695 [fix] Apply fulltextindexed change in the actual index
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 4624
diff changeset
  1262
            for entity in rset.entities():
6889
37668bf302f5 improve massive deletion performance
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6815
diff changeset
  1263
                source.fti_unindex_entities(session, [entity])
5556
9ab2b4c74baf [entity] introduce a new 'adapters' registry
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5426
diff changeset
  1264
                for container in entity.cw_adapt_to('IFTIndexable').fti_containers():
4828
3e173d598cad [cleanup] fti_* method already try/except exception, no need for additional catch here
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4827
diff changeset
  1265
                    if still_fti or container is not entity:
6889
37668bf302f5 improve massive deletion performance
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6815
diff changeset
  1266
                        source.fti_unindex_entities(session, [container])
37668bf302f5 improve massive deletion performance
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6815
diff changeset
  1267
                        source.fti_index_entities(session, [container])
6426
541659c39f6a [hook/operation] nicer api to achieve same result as set_operation, as described in #1253630
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6333
diff changeset
  1268
        if to_reindex:
541659c39f6a [hook/operation] nicer api to achieve same result as set_operation, as described in #1253630
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6333
diff changeset
  1269
            # Transaction has already been committed
7398
26695dd703d8 [repository api] definitly kill usage of word 'pool' to refer to connections set used by a session
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7185
diff changeset
  1270
            session.cnxset.commit()
4667
6c8eccb1b695 [fix] Apply fulltextindexed change in the actual index
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 4624
diff changeset
  1271
6c8eccb1b695 [fix] Apply fulltextindexed change in the actual index
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 4624
diff changeset
  1272
6c8eccb1b695 [fix] Apply fulltextindexed change in the actual index
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 4624
diff changeset
  1273
6c8eccb1b695 [fix] Apply fulltextindexed change in the actual index
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 4624
diff changeset
  1274
2968
0e3460341023 somewhat painful backport of 3.5 branch, should mostly be ok
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2967 2902
diff changeset
  1275
# specializes synchronization hooks ############################################
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1276
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1277
2968
0e3460341023 somewhat painful backport of 3.5 branch, should mostly be ok
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2967 2902
diff changeset
  1278
class AfterAddSpecializesHook(SyncSchemaHook):
3376
f5c69485381f [appobjects] use __regid__ instead of __id__, more explicit
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2968
diff changeset
  1279
    __regid__ = 'syncaddspecializes'
2841
107ba1c45227 rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
  1280
    __select__ = SyncSchemaHook.__select__ & hook.match_rtype('specializes')
2968
0e3460341023 somewhat painful backport of 3.5 branch, should mostly be ok
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2967 2902
diff changeset
  1281
    events = ('after_add_relation',)
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1282
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2745
diff changeset
  1283
    def __call__(self):
3404
9cb6b0cc2a7c fix some name errors
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3403
diff changeset
  1284
        MemSchemaSpecializesAdd(self._cw, etypeeid=self.eidfrom,
2968
0e3460341023 somewhat painful backport of 3.5 branch, should mostly be ok
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2967 2902
diff changeset
  1285
                                parentetypeeid=self.eidto)
0e3460341023 somewhat painful backport of 3.5 branch, should mostly be ok
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2967 2902
diff changeset
  1286
0e3460341023 somewhat painful backport of 3.5 branch, should mostly be ok
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2967 2902
diff changeset
  1287
3410
47832374cf14 fix class name
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3404
diff changeset
  1288
class AfterDelSpecializesHook(SyncSchemaHook):
3376
f5c69485381f [appobjects] use __regid__ instead of __id__, more explicit
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2968
diff changeset
  1289
    __regid__ = 'syncdelspecializes'
2968
0e3460341023 somewhat painful backport of 3.5 branch, should mostly be ok
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2967 2902
diff changeset
  1290
    __select__ = SyncSchemaHook.__select__ & hook.match_rtype('specializes')
0e3460341023 somewhat painful backport of 3.5 branch, should mostly be ok
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2967 2902
diff changeset
  1291
    events = ('after_delete_relation',)
0e3460341023 somewhat painful backport of 3.5 branch, should mostly be ok
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2967 2902
diff changeset
  1292
0e3460341023 somewhat painful backport of 3.5 branch, should mostly be ok
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2967 2902
diff changeset
  1293
    def __call__(self):
3404
9cb6b0cc2a7c fix some name errors
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3403
diff changeset
  1294
        MemSchemaSpecializesDel(self._cw, etypeeid=self.eidfrom,
2968
0e3460341023 somewhat painful backport of 3.5 branch, should mostly be ok
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2967 2902
diff changeset
  1295
                                parentetypeeid=self.eidto)