uranusjr commented on a change in pull request #19268:
URL: https://github.com/apache/airflow/pull/19268#discussion_r738056538
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File path:
airflow/migrations/versions/7b2661a43ba3_taskinstance_keyed_to_dagrun.py
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@@ -196,6 +196,9 @@ def upgrade():
if dialect_name == "mysql":
# Mysql creates an index and a constraint -- we have to drop both
batch_op.drop_index('task_reschedule_dag_task_date_fkey')
+ batch_op.alter_column(
+ 'dag_id', existing_type=sa.String(length=ID_LEN),
type_=string_id_col_type, nullable=False
+ )
Review comment:
Should we use `COLLATION_ARGS` for this?
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