27 lines
717 B
Python
27 lines
717 B
Python
"""replace index on posts.author_id with composite index on author_id and created_at
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Revision ID: f63bf9e73bc9
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Revises: e769c033e5c9
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Create Date: 2017-08-15 23:55:46.945437
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"""
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from alembic import op
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import sqlalchemy as sa
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# revision identifiers, used by Alembic.
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revision = 'f63bf9e73bc9'
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down_revision = 'e769c033e5c9'
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branch_labels = None
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depends_on = None
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def upgrade():
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op.create_index('ix_posts_author_id_created_at', 'posts', ['author_id', 'created_at'], unique=False)
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op.drop_index('ix_posts_author_id', table_name='posts')
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def downgrade():
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op.create_index('ix_posts_author_id', 'posts', ['author_id'], unique=False)
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op.drop_index('ix_posts_author_id_created_at', table_name='posts')
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