OSDN Git Service

Tighten up join ordering rules to account for recent more-careful analysis
authorTom Lane <tgl@sss.pgh.pa.us>
Fri, 27 Feb 2009 22:41:38 +0000 (22:41 +0000)
committerTom Lane <tgl@sss.pgh.pa.us>
Fri, 27 Feb 2009 22:41:38 +0000 (22:41 +0000)
commit75c85bd1997f6fba1cb9cdf0fa48fab220b0e745
treec9bd63c61c01cf4b5b8e517efa929fbba86473cc
parent5c4ca3b6321794ab95487a6a6ebc23af150bf9e9
Tighten up join ordering rules to account for recent more-careful analysis
of the associativity of antijoins.  Also improve optimizer/README discussion
of outer join ordering rules.
src/backend/optimizer/README
src/backend/optimizer/path/joinrels.c
src/backend/optimizer/plan/initsplan.c