Tom Lane 4d58a7ca87 Optimizer can now estimate selectivity of IS NULL, IS NOT NULL, ... IS TRUE, etc, with some degree of verisimilitude. Split out selectivity support functions from builtins.h into a new header file selfuncs.h, so as to reduce the number of header files builtins.h must depend on. Fix a few missing inclusions exposed thereby. From Joe Conway, with some kibitzing from Tom Lane.		2001-06-25 21:11:45 +00:00
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common	Optimizer can now estimate selectivity of IS NULL, IS NOT NULL,	2001-06-25 21:11:45 +00:00
gist	Nest macros with slightly less enthusiasm, for performance and to avoid	2001-06-11 05:00:56 +00:00
hash	Tweak StrategyEvaluation data structure to eliminate hardwired limit on	2001-05-30 19:53:40 +00:00
heap	Statistical system views (yet without the config stuff, but	2001-06-22 19:16:24 +00:00
index	Statistical system views (yet without the config stuff, but	2001-06-22 19:16:24 +00:00
nbtree	Statistical system views (yet without the config stuff, but	2001-06-22 19:16:24 +00:00
rtree	Remove RelationGetBufferWithBuffer(), which is horribly confused about	2001-06-09 18:16:59 +00:00
transam	Statistical system views (yet without the config stuff, but	2001-06-22 19:16:24 +00:00
Makefile	Fix relative path references so that make knowns which dependencies refer	2000-08-31 16:12:35 +00:00