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FairCom DB V12 Updates

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Dynamic Dump Script !DELAY Option Allows Abandoning Dump

When the Dynamic Dump begins, by default it prevents new transactions from beginning and waits indefinitely for open transactions to complete. Once no transactions are active, a dump checkpoint is created, the dump creation begins, and transactions are allowed to resume. If the dump script option !DELAY <N> is specified, the Dynamic Dump waits up to N seconds for active transactions to complete before terminating them. This revision allows !DELAY <N> with N < 0 to cause the dump be abandoned with error DUMP_ABANDONED_ERR (1162) if active transactions still remain after |N| seconds.

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