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[v3-2-test] Ensure that DB migrations run in a single connection. (#65231) #65368

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Merged
ashb merged 1 commit into from
Apr 16, 2026
+7 −0
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[v3-2-test] Ensure that DB migrations run in a single connection. (#65231) #65368

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7 changes: 7 additions & 0 deletions airflow-core/src/airflow/utils/db.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1194,6 +1194,13 @@ def _run_upgradedb(
with _configured_alembic_environment() as env:
source_heads = env.script.get_heads()

# End the read-only transaction from _get_current_revision before
# external DB manager migrations, which may run DDL that is blocked by
# open transactions (e.g. CREATE INDEX CONCURRENTLY). The advisory lock
# from create_global_lock() is unaffected: it is session-level and held
# on a separate connection.
work_session.rollback()

if current_revision == source_heads[0] and not _SKIP_EXTERNAL_DB_MANAGERS_UPGRADE.get():
external_db_manager = RunDBManager()
external_db_manager.upgradedb(work_session, use_migration_files=use_migration_files)
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