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misc/migration/3.14.4_Any.py
author Julien Cristau <julien.cristau@logilab.fr>
Wed, 15 Jan 2014 18:20:25 +0100
changeset 9410 ce072c9aa573
parent 8375 7d8979176bc0
child 9450 af4b93bc38a5
permissions -rw-r--r--
[migration/3.18] Explicitly delete constraint on defaultval Make sure the SizeConstraint on defaultval is removed, and avoid more unnecessary commits.

from yams import schema2sql as y2sql

dbhelper = repo.system_source.dbhelper
rdefdef = schema['CWSource'].rdef('name')
attrtype = y2sql.type_from_constraints(dbhelper, rdefdef.object, rdefdef.constraints).split()[0]

cursor = session.cnxset['system']
sql('UPDATE entities SET asource = source WHERE asource is NULL')
dbhelper.change_col_type(cursor, 'entities', 'asource', attrtype, False)
dbhelper.change_col_type(cursor, 'entities', 'source', attrtype, False)
dbhelper.change_col_type(cursor, 'deleted_entities', 'source', attrtype, False)
cubicweb