Juergen Hoeller 3b263c5c3d Synchronize transaction begin for non-lazy default transactions as well ... Lazy and read-only database transactions remain exposed to potential isolation level mismatches in case of concurrent transactions with custom isolation levels. Closes gh-29997		2023-06-13 12:40:57 +02:00
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main	Synchronize transaction begin for non-lazy default transactions as well	2023-06-13 12:40:57 +02:00
test	Add isolation level test and restore null return value from beginTransaction	2023-06-04 18:41:38 +02:00