[2] | 1 | """ |
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| 2 | Migration script to (a) create tables for annotating pages. |
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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 | PageAnnotationAssociation_table = Table( "page_annotation_association", metadata, |
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| 17 | Column( "id", Integer, primary_key=True ), |
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| 18 | Column( "page_id", Integer, ForeignKey( "page.id" ), index=True ), |
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| 19 | Column( "user_id", Integer, ForeignKey( "galaxy_user.id" ), index=True ), |
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| 20 | Column( "annotation", TEXT, index=True) ) |
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| 21 | |
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| 22 | def upgrade(): |
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| 23 | print __doc__ |
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| 24 | metadata.reflect() |
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| 25 | |
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| 26 | # Create history_annotation_association table. |
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| 27 | try: |
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| 28 | PageAnnotationAssociation_table.create() |
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| 29 | except Exception, e: |
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| 30 | print str(e) |
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| 31 | log.debug( "Creating page_annotation_association table failed: %s" % str( e ) ) |
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| 32 | |
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| 33 | def downgrade(): |
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| 34 | metadata.reflect() |
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| 35 | |
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| 36 | # Drop page_annotation_association table. |
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| 37 | try: |
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| 38 | PageAnnotationAssociation_table.drop() |
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| 39 | except Exception, e: |
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| 40 | print str(e) |
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| 41 | log.debug( "Dropping page_annotation_association table failed: %s" % str( e ) ) |
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| 42 | |
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