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Fix typo in src/backend/access/transam/README.

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Etsuro Fujita 2023-09-28 19:45:05 +09:00
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src/backend/access/transam/README
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@ -324,7 +324,7 @@ changes much more often than its xid, having GetSnapshotData look at xmins
can lead to a lot of unnecessary cacheline ping-pong. Instead can lead to a lot of unnecessary cacheline ping-pong. Instead
GetSnapshotData updates approximate thresholds (one that guarantees that all GetSnapshotData updates approximate thresholds (one that guarantees that all
deleted rows older than it can be removed, another determining that deleted deleted rows older than it can be removed, another determining that deleted
rows newer than it can not be removed). GlobalVisTest* uses those threshold rows newer than it can not be removed). GlobalVisTest* uses those thresholds
to make invisibility decision, falling back to ComputeXidHorizons if to make invisibility decision, falling back to ComputeXidHorizons if
necessary. necessary.