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Use latestCompletedXid to slightly optimize TransactionIdIsInProgress - Mailing list pgsql-patches

From Florian G. Pflug
Subject Use latestCompletedXid to slightly optimize TransactionIdIsInProgress
Date
Msg-id 46E827C9.2020803@phlo.org
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Responses Re: Use latestCompletedXid to slightly optimize TransactionIdIsInProgress  (Tom Lane <tgl@sss.pgh.pa.us>)
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Hi

Since we already advance latestCompletedXid on subtransaction and toplevel
transaction aborts, we might as well use the value to rule out surely
in-progress transctions at the top of TransactionIdIsInProgress.

greetings, Florian Pflug
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