43 lines
1.6 KiB
Python
43 lines
1.6 KiB
Python
"""restructure forum models
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Revision ID: 2a1165f6ad0a
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Revises: a3fb8937ae16
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Create Date: 2019-09-07 19:38:57.472404
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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 = '2a1165f6ad0a'
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down_revision = 'a3fb8937ae16'
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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.drop_constraint('thread_id_fkey', 'thread', type_='foreignkey')
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op.drop_column('thread', 'title')
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op.drop_column('thread', 'thread_type')
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op.add_column('topic', sa.Column('thread_id', sa.Integer(), nullable=False))
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op.add_column('topic', sa.Column('title', sa.Unicode(length=32), nullable=True))
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op.drop_constraint('topic_id_fkey', 'topic', type_='foreignkey')
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op.create_foreign_key(None, 'topic', 'post', ['id'], ['id'])
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op.create_foreign_key(None, 'topic', 'thread', ['thread_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_constraint(None, 'topic', type_='foreignkey')
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op.create_foreign_key('topic_id_fkey', 'topic', 'thread', ['id'], ['id'])
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op.drop_column('topic', 'title')
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op.drop_column('topic', 'thread_id')
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op.add_column('thread', sa.Column('thread_type', sa.VARCHAR(length=20), autoincrement=False, nullable=True))
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op.add_column('thread', sa.Column('title', sa.VARCHAR(length=32), autoincrement=False, nullable=True))
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op.create_foreign_key('thread_id_fkey', 'thread', 'post', ['id'], ['id'])
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# ### end Alembic commands ###
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