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"""index-taskfail

Revision ID: 9635ae0956e7
Revises: 856955da8476
Create Date: 2018-06-17 21:40:01.963540

"""
from alembic import op

# revision identifiers, used by Alembic.
revision = '9635ae0956e7'
down_revision = '856955da8476'
branch_labels = None
depends_on = None


def upgrade():
    op.create_index(
        'idx_task_fail_dag_task_date', 'task_fail', ['dag_id', 'task_id', 'execution_date'], unique=False
    )


def downgrade():
    op.drop_index('idx_task_fail_dag_task_date', table_name='task_fail')