29 lines
591 B
Python
29 lines
591 B
Python
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"""add depends to tasks
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Revision ID: 10459dd24d3d
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Revises: 17946e7038d7
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Create Date: 2020-05-21 11:07:46.953781
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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 = '10459dd24d3d'
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down_revision = '17946e7038d7'
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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_table(
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'depends',
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sa.Column('first_id', sa.Integer, sa.ForeignKey('tasks.id'), primary_key=True),
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sa.Column('second_id', sa.Integer, sa.ForeignKey('tasks.id'), primary_key=True)
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)
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def downgrade():
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op.drop_table('depends')
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