pankajkoti commented on code in PR #39275:
URL: https://github.com/apache/airflow/pull/39275#discussion_r1581004961
##########
airflow/migrations/versions/0069_2_0_0_add_scheduling_decision_to_dagrun_and_.py:
##########
@@ -48,7 +48,9 @@ def upgrade():
with op.batch_alter_table("dag_run", schema=None) as batch_op:
batch_op.add_column(sa.Column("last_scheduling_decision", TIMESTAMP,
nullable=True))
- batch_op.create_index("idx_last_scheduling_decision",
["last_scheduling_decision"], unique=False)
+ # Earlier we had here an index created on the last_scheduling_decision
column.
Review Comment:
Considering the rare cases that someone is still on 1.x and they migrate to
2.0.0, we would like to ensure that we do not create this index for them. If we
do not remove it from here, this index will be created for them and only be
removed for them once they upgrade to 2.9.1 or whichever version we release
this PR in.
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