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OpenStack Study: 010_default_update_at.py**** CubicPower OpenStack Study **** def get_images_table(meta): """ No changes to the images table from 008... """ (get_images_table,) = from_migration_import( '008_add_image_members_table', ['get_images_table']) images = get_images_table(meta) return images
**** CubicPower OpenStack Study **** def get_image_properties_table(meta): """ No changes to the image properties table from 008... """ (get_image_properties_table,) = from_migration_import( '008_add_image_members_table', ['get_image_properties_table']) image_properties = get_image_properties_table(meta) return image_properties
**** CubicPower OpenStack Study **** def get_image_members_table(meta): """ No changes to the image members table from 008... """ (get_image_members_table,) = from_migration_import( '008_add_image_members_table', ['get_image_members_table']) images = get_image_members_table(meta) return images
**** CubicPower OpenStack Study **** def upgrade(migrate_engine): meta = MetaData() meta.bind = migrate_engine images_table = get_images_table(meta) # set updated_at to created_at if equal to None conn = migrate_engine.connect() conn.execute( images_table.update( images_table.c.updated_at == None, {images_table.c.updated_at: images_table.c.created_at}))
**** CubicPower OpenStack Study **** def downgrade(migrate_engine): meta = MetaData() meta.bind = migrate_engine images_table = get_images_table(meta) # set updated_at to None if equal to created_at conn = migrate_engine.connect() conn.execute( images_table.update( images_table.c.updated_at == images_table.c.created_at, {images_table.c.updated_at: None}))
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