ephraimbuddy commented on code in PR #58149:
URL: https://github.com/apache/airflow/pull/58149#discussion_r2580682325
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airflow-core/src/airflow/migrations/versions/0060_3_0_0_add_try_id_to_ti_and_tih.py:
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@@ -127,34 +127,8 @@ def upgrade():
def downgrade():
"""Unapply Add try_id to TI and TIH."""
- dialect_name = op.get_bind().dialect.name
with op.batch_alter_table("task_instance_history", schema=None) as
batch_op:
batch_op.drop_constraint(batch_op.f("task_instance_history_pkey"),
type_="primary")
- batch_op.add_column(sa.Column("id", sa.INTEGER, nullable=True))
+ batch_op.add_column(sa.Column("id", sa.INTEGER, primary_key=True,
autoincrement=True))
Review Comment:
This won't work with data as id would be null.
That's why we had to run the deleted statements to update the ID column
before making it a primary key
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