server/test/data-cwep002/schema.py
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Tue, 25 Aug 2015 11:11:34 +0200
changeset 10632 d89e9176d263
parent 9968 50f046bf0e50
child 10553 1d824df4f2bd
permissions -rw-r--r--
[migration] don't attempt to carry over values when renaming a computed relation Without the fix in migractions.py, the introduced test crashes with an operational error because of an attempt to write to a non-existing relation table (computed relations are not materialized). Closes #6304946
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# copyright 2014 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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from yams.buildobjs import EntityType, RelationDefinition, Int, ComputedRelation
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class Person(EntityType):
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    salary = Int()
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class works_for(RelationDefinition):
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    subject = 'Person'
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    object  = 'Company'
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    cardinality = '?*'
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class Company(EntityType):
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    total_salary = Int(formula='Any SUM(SA) GROUPBY X WHERE '
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                       'P works_for X, P salary SA')
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class has_employee(ComputedRelation):
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    rule = 'O works_for S'
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