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)
commit007cf51a4dcc7bd031a45ad3836e986343a440e7
tree81692f778960690c02febf50deb6ce1f2a3720a6
parentcbe3dc9fc260d86abcfb15551b836ec32957a4c2
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