1 | """ |
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2 | Migration script to add the suite column to the tool table. |
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3 | """ |
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4 | |
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5 | from sqlalchemy import * |
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6 | from sqlalchemy.orm import * |
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7 | from migrate import * |
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8 | from migrate.changeset import * |
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9 | |
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10 | import logging |
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11 | log = logging.getLogger( __name__ ) |
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12 | |
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13 | metadata = MetaData( migrate_engine ) |
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14 | db_session = scoped_session( sessionmaker( bind=migrate_engine, autoflush=False, autocommit=True ) ) |
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15 | |
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16 | def upgrade(): |
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17 | print __doc__ |
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18 | metadata.reflect() |
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19 | |
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20 | # Create and initialize imported column in job table. |
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21 | Tool_table = Table( "tool", metadata, autoload=True ) |
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22 | c = Column( "suite", Boolean, default=False, index=True ) |
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23 | try: |
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24 | # Create |
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25 | c.create( Tool_table ) |
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26 | assert c is Tool_table.c.suite |
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27 | |
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28 | # Initialize. |
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29 | if migrate_engine.name == 'mysql' or migrate_engine.name == 'sqlite': |
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30 | default_false = "0" |
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31 | elif migrate_engine.name == 'postgres': |
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32 | default_false = "false" |
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33 | db_session.execute( "UPDATE tool SET suite=%s" % default_false ) |
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34 | |
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35 | except Exception, e: |
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36 | print "Adding suite column to the tool table failed: %s" % str( e ) |
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37 | log.debug( "Adding suite column to the tool table failed: %s" % str( e ) ) |
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38 | |
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39 | def downgrade(): |
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40 | metadata.reflect() |
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41 | |
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42 | # Drop imported column from job table. |
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43 | Tool_table = Table( "tool", metadata, autoload=True ) |
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44 | try: |
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45 | Tool_table.c.suite.drop() |
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46 | except Exception, e: |
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47 | print "Dropping column suite from the tool table failed: %s" % str( e ) |
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48 | log.debug( "Dropping column suite from the tool table failed: %s" % str( e ) ) |
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