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autovacuum: Fix polarity of "wraparound" variable 

Commit 0d83138974 inadvertently reversed the meaning of the
wraparound variable.  This causes vacuums which are not required for
wraparound to wait for locks to be acquired, and what is worse, it
allows wraparound vacuums to skip locked pages.

Bug reported by Jeff Janes in
http://www.postgresql.org/message-id/CAMkU=1xmTEiaY=5oMHsSQo5vd9V1Ze4kNLL0qN2eH0P_GXOaYw@mail.gmail.com
Analysis and patch by Kyotaro HORIGUCHI
This commit is contained in:
Alvaro Herrera 2015-04-02 13:34:50 -03:00
parent c02ef232c1
commit 00ee6c7672
1 changed files with 1 additions and 1 deletions
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2
src/backend/postmaster/autovacuum.c
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@ -2526,7 +2526,7 @@ table_recheck_autovac(Oid relid, HTAB *table_toast_map,
tab->at_vacoptions = VACOPT_SKIPTOAST |
(dovacuum ? VACOPT_VACUUM : 0) |
(doanalyze ? VACOPT_ANALYZE : 0) |
(wraparound ? VACOPT_NOWAIT : 0);
(!wraparound ? VACOPT_NOWAIT : 0);
tab->at_params.freeze_min_age = freeze_min_age;
tab->at_params.freeze_table_age = freeze_table_age;
tab->at_params.multixact_freeze_min_age = multixact_freeze_min_age;