forkfun e4fa7ac8a2 MDEV-39846 UNIQUE BLOB contains duplicate records after ALTER IGNORE with READ COMMITTED ...

Force REPEATABLE READ isolation for the duration of mysql_alter_table,
so HA_CHECK_UNIQUE_AFTER_WRITE never triggers during ALTER's exclusive table copy.
(cherry-pick of 46ee272a10 - online ALTER TABLE (MDEV-32100))

2026-08-11 15:21:44 +02:00

466 KiB

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