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Rewrite comment for slightly greater accuracy.

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Per an observation from Thom Brown that the old version contained a typo.
This commit is contained in:
Robert Haas
2011-11-08 08:11:25 -05:00
parent bb1afb528a
commit 0e1c4b7d97
1 changed files with 3 additions and 2 deletions
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5
src/backend/commands/vacuumlazy.c
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@ -488,8 +488,9 @@ lazy_scan_heap(Relation onerel, LVRelStats *vacrelstats,
if (!ConditionalLockBufferForCleanup(buf)) if (!ConditionalLockBufferForCleanup(buf))
{ {
/* /*
* It's OK to skip vacuuming a page, as long as its not got data * If we're not scanning the whole relation to guard against XID
* that needs to be cleaned for wraparound avoidance. * wraparound, it's OK to skip vacuuming a page. The next vacuum
* will clean it up.
*/ */
if (!scan_all) if (!scan_all)
{ {