ashb commented on code in PR #39951:
URL: https://github.com/apache/airflow/pull/39951#discussion_r1633446647
##########
airflow/migrations/versions/0146_2_10_0_add_task_instance_history.py:
##########
@@ -86,10 +88,6 @@ def upgrade():
],
name="task_instance_history_ti_fkey",
ondelete="CASCADE",
- onupdate="CASCADE",
- ),
- sa.PrimaryKeyConstraint(
- "dag_id", "task_id", "run_id", "map_index", "try_number",
name="task_instance_history_pkey"
Review Comment:
We should add a unique constraint now that we've removed the PK.
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