]> granicus.if.org Git - postgresql/commit
autovacuum: Fix polarity of "wraparound" variable
authorAlvaro Herrera <alvherre@alvh.no-ip.org>
Thu, 2 Apr 2015 16:34:50 +0000 (13:34 -0300)
committerAlvaro Herrera <alvherre@alvh.no-ip.org>
Thu, 2 Apr 2015 16:34:50 +0000 (13:34 -0300)
commit00ee6c7672fe0bf9448bc744b5e3408f5ebffc2e
tree3773fa4afbb21629f91989775b57ac411529a14b
parentc02ef232c14d65741df939ddd633d8fed538a580
autovacuum: Fix polarity of "wraparound" variable

Commit 0d831389749a3 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
src/backend/postmaster/autovacuum.c