"""empty message

Revision ID: 56e17aab85ca
Revises: 64adf34a98db
Create Date: 2023-07-14 11:54:20.187703

"""
from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision = '56e17aab85ca'
down_revision = '64adf34a98db'
branch_labels = None
depends_on = None


def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    with op.batch_alter_table('human_task', schema=None) as batch_op:
        batch_op.create_unique_constraint('process_instance_task_unique', ['process_instance_id', 'task_id'])

    # ### end Alembic commands ###


def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    with op.batch_alter_table('human_task', schema=None) as batch_op:
        batch_op.drop_constraint('process_instance_task_unique', type_='unique')

    # ### end Alembic commands ###