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Fix trivial mistake in README. 

You might think I (Robert) could manage to count to five without
messing it up, but if you did, you would be wrong.

Amit Kapila

Discussion: http://postgr.es/m/CAA4eK1JxqqcuC5Un7YLQVhOYSZBS+t=3xqZuEkt5RyquyuxpwQ@mail.gmail.com
This commit is contained in:
Robert Haas 2017-09-26 08:58:06 -04:00
parent 899bd785c0
commit 79a4a665c0
1 changed files with 1 additions and 1 deletions
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src/backend/access/hash/README
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@ -434,7 +434,7 @@ concurrent scan could start in that bucket before we've finished vacuuming it.
If a scan gets ahead of cleanup, we could have the following problem: (1) the
scan sees heap TIDs that are about to be removed before they are processed by
VACUUM, (2) the scan decides that one or more of those TIDs are dead, (3)
VACUUM completes, (3) one or more of the TIDs the scan decided were dead are
VACUUM completes, (4) one or more of the TIDs the scan decided were dead are
reused for an unrelated tuple, and finally (5) the scan wakes up and
erroneously kills the new tuple.