31 lines
817 B
Python
31 lines
817 B
Python
"""add promotion information to topics
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Revision ID: c7779a558510
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Revises: 001d2eaf0413
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Create Date: 2020-08-01 11:27:23.298821
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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 = 'c7779a558510'
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down_revision = '001d2eaf0413'
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branch_labels = None
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depends_on = None
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def upgrade():
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# ### commands auto generated by Alembic - please adjust! ###
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op.add_column('topic', sa.Column('promotion_id', sa.Integer(), nullable=True))
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op.create_foreign_key(None, 'topic', 'post', ['promotion_id'], ['id'])
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# ### end Alembic commands ###
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def downgrade():
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# ### commands auto generated by Alembic - please adjust! ###
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op.drop_constraint(None, 'topic', type_='foreignkey')
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op.drop_column('topic', 'promotion_id')
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# ### end Alembic commands ###
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