[2] | 1 | """ |
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| 2 | Migration script to add columns for tracking whether pages are deleted and |
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| 3 | publicly accessible. |
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| 4 | """ |
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| 5 | |
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| 6 | from sqlalchemy 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 | |
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| 15 | def upgrade(): |
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| 16 | |
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| 17 | print __doc__ |
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| 18 | metadata.reflect() |
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| 19 | |
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| 20 | Page_table = Table( "page", metadata, autoload=True ) |
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| 21 | |
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| 22 | c = Column( "published", Boolean, index=True, default=False ) |
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| 23 | c.create( Page_table ) |
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| 24 | assert c is Page_table.c.published |
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| 25 | |
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| 26 | c = Column( "deleted", Boolean, index=True, default=False ) |
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| 27 | c.create( Page_table ) |
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| 28 | assert c is Page_table.c.deleted |
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| 29 | |
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| 30 | def downgrade(): |
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| 31 | metadata.reflect() |
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| 32 | |
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| 33 | Page_table = Table( "page", metadata, autoload=True ) |
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| 34 | Page_table.c.published.drop() |
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| 35 | Page_table.c.deleted.drop() |
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