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- """add factory location
- Revision ID: 3760fb81a289
- Revises: 1ec3ded43905
- Create Date: 2019-09-06 16:10:05.944413
- """
- from alembic import op
- import sqlalchemy as sa
- # revision identifiers, used by Alembic.
- revision = '3760fb81a289'
- down_revision = '1ec3ded43905'
- branch_labels = None
- depends_on = None
- def upgrade():
- op.create_table('factory_location',
- sa.Column('factory_id', sa.Integer(), nullable=False),
- sa.Column('region_id', sa.Integer(), nullable=False),
- sa.Column('from_date_time', sa.DateTime(), nullable=True),
- sa.Column('until_date_time', sa.DateTime(), nullable=True),
- sa.ForeignKeyConstraint(['factory_id'], ['factory.id'], name=op.f('fk_factory_location_factory_id_factory')),
- sa.ForeignKeyConstraint(['region_id'], ['region.id'], name=op.f('fk_factory_location_region_id_region')),
- sa.PrimaryKeyConstraint('factory_id', 'region_id', name=op.f('pk_factory_location'))
- )
- op.drop_constraint('fk_factory_stat_region_id_region', 'factory_stat', type_='foreignkey')
- op.drop_column('factory_stat', 'region_id')
- def downgrade():
- op.add_column('factory_stat', sa.Column('region_id', sa.INTEGER(), autoincrement=False, nullable=True))
- op.create_foreign_key('fk_factory_stat_region_id_region', 'factory_stat', 'region', ['region_id'], ['id'])
- op.drop_table('factory_location')
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