Add Oracle-style NOWAIT, WAIT n, and SKIP LOCKED to FOR UPDATE clause#3831
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katzyn merged 2 commits intoh2database:masterfrom Jul 3, 2023
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Add Oracle-style NOWAIT, WAIT n, and SKIP LOCKED to FOR UPDATE clause#3831katzyn merged 2 commits intoh2database:masterfrom
katzyn merged 2 commits intoh2database:masterfrom
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grandinj
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Jul 2, 2023
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Awesome, now we can build a message queue using H2 :-)
| mapName = map.getName(); | ||
| } | ||
| } while (transaction.waitFor(blockingTransaction, mapName, key)); | ||
| } while (timeoutMillis != 0 && transaction.waitFor(blockingTransaction, mapName, key, timeoutMillis)); |
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0 is used for NOWAIT, with NOWAIT we shouldn't wait for anything and loop needs to be aborted.
-1 is used for plain FOR UPDATE and Transaction.waitFor() uses its own default timeout (taken from the session).
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