Tom Lane 07c741e61c Fix oversight in planning of GROUP queries: when an expression is used ... as both a GROUP BY item and an output expression, the top-level Group node should just copy up the evaluated expression value from its input, rather than re-evaluating the expression. Aside from any performance benefit this might offer, this avoids a crash when there is a sub-SELECT in said expression.		2001-01-09 03:48:51 +00:00
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clauses.c	Change SearchSysCache coding conventions so that a reference count is	2000-11-16 22:30:52 +00:00
joininfo.c	Mark functions as static and ifdef NOT_USED as appropriate.	2000-06-08 22:38:00 +00:00
Makefile	Subselects in FROM clause, per ISO syntax: FROM (SELECT ...) [AS] alias.	2000-09-29 18:21:41 +00:00
pathnode.c	Planner speedup hacking. Avoid saving useless pathkeys, so that path	2000-12-14 22:30:45 +00:00
plancat.c	Change SearchSysCache coding conventions so that a reference count is	2000-11-16 22:30:52 +00:00
relnode.c	Restructure handling of inheritance queries so that they work with outer	2000-11-12 00:37:02 +00:00
restrictinfo.c	Subselects in FROM clause, per ISO syntax: FROM (SELECT ...) [AS] alias.	2000-09-29 18:21:41 +00:00
tlist.c	Fix oversight in planning of GROUP queries: when an expression is used	2001-01-09 03:48:51 +00:00
var.c	Reimplementation of UNION/INTERSECT/EXCEPT. INTERSECT/EXCEPT now meet the	2000-10-05 19:11:39 +00:00