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1 # copyright 2014 LOGILAB S.A. (Paris, FRANCE), all rights reserved. |
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2 # contact http://www.logilab.fr/ -- mailto:contact@logilab.fr |
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3 # |
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4 # This file is part of CubicWeb. |
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5 # |
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6 # CubicWeb is free software: you can redistribute it and/or modify it under the |
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7 # terms of the GNU Lesser General Public License as published by the Free |
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8 # Software Foundation, either version 2.1 of the License, or (at your option) |
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9 # any later version. |
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10 # |
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11 # CubicWeb is distributed in the hope that it will be useful, but WITHOUT |
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12 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
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13 # FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more |
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14 # details. |
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15 # |
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16 # You should have received a copy of the GNU Lesser General Public License along |
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17 # with CubicWeb. If not, see <http://www.gnu.org/licenses/>. |
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18 |
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19 from yams.buildobjs import EntityType, RelationDefinition, Int, ComputedRelation |
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20 |
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21 class Person(EntityType): |
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22 salary = Int() |
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23 |
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24 class works_for(RelationDefinition): |
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25 subject = 'Person' |
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26 object = 'Company' |
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27 cardinality = '?*' |
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28 |
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29 class Company(EntityType): |
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30 total_salary = Int(formula='Any SUM(SA) GROUPBY X WHERE ' |
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31 'P works_for X, P salary SA') |
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32 |
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33 class has_employee(ComputedRelation): |
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34 rule = 'O works_for S' |
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35 __permissions__ = {'read': ('managers',)} |
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