Horton

Revert bogus fixes of HOT-freezing bug

Alvaro Herrera <alvherre@alvh.no-ip.org>

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Commit: ef0339ee5dcf933949f3751d98771e03b8c19aa2
Author: Alvaro Herrera <alvherre@alvh.no-ip.org>
Date: 2017-11-02T14:51:05Z
Releases: 9.4.15 
Revert bogus fixes of HOT-freezing bug

It turns out we misdiagnosed what the real problem was.  Revert the
previous changes, because they may have worse consequences going
forward.  A better fix is forthcoming.

The simplistic test case is kept, though disabled.

Discussion: https://postgr.es/m/20171102112019.33wb7g5wp4zpjelu@alap3.anarazel.de

Files

PathChange+/−
src/backend/access/heap/heapam.c modified +46 −97
src/backend/access/heap/pruneheap.c modified +2 −2
src/backend/commands/vacuumlazy.c modified +8 −8
src/backend/executor/execMain.c modified +4 −2
src/include/access/heapam.h modified +0 −3
src/test/isolation/isolation_schedule modified +0 −1

Discussion