36 lines
1022 B
Python
36 lines
1022 B
Python
"""add topic table
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Revision ID: 4388de50824a
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Revises: 254ac5fc3941
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Create Date: 2015-10-31 19:06:38.538948
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"""
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# revision identifiers, used by Alembic.
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revision = '4388de50824a'
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down_revision = '254ac5fc3941'
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from alembic import op
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import sqlalchemy as sa
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def upgrade():
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op.create_table('topic',
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sa.Column('key', sa.Integer(), nullable=False),
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sa.Column('name', sa.String(length=255), index=True, nullable=False),
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sa.Column('sequence', sa.Integer(), index=True, unique=True, nullable=False),
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sa.PrimaryKeyConstraint('key')
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)
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op.create_table('project_topic',
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sa.Column('key', sa.Integer(), nullable=False),
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sa.Column('project_key', sa.Integer(), sa.ForeignKey('project.key'), index=True),
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sa.Column('topic_key', sa.Integer(), sa.ForeignKey('topic.key'), index=True),
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sa.Column('sequence', sa.Integer(), nullable=False),
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sa.PrimaryKeyConstraint('key'),
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sa.UniqueConstraint('topic_key', 'sequence', name='topic_key_sequence_const'),
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)
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def downgrade():
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pass
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