Revise handling of index-type-specific indexscan cost estimation, per

Tom Lane <tgl@sss.pgh.pa.us>

Commit: 71ed7eb4941ddb32700a51a8b8b3403eceeca4a9

Author: Tom Lane <tgl@sss.pgh.pa.us>

Date: 2000-01-22T23:50:30Z

Revise handling of index-type-specific indexscan cost estimation, per
pghackers discussion of 5-Jan-2000.  The amopselect and amopnpages
estimators are gone, and in their place is a per-AM amcostestimate
procedure (linked to from pg_am, not pg_amop).

Files

Path	Change	+/−
doc/src/sgml/catalogs.sgml	modified	+3 −5
doc/src/sgml/xindex.sgml	modified	+6 −21
src/backend/access/index/indexam.c	modified	+22 −16
src/backend/commands/variable.c	modified	+24 −27
src/backend/nodes/copyfuncs.c	modified	+2 −1
src/backend/nodes/readfuncs.c	modified	+1 −31
src/backend/optimizer/path/allpaths.c	modified	+7 −8
src/backend/optimizer/path/costsize.c	modified	+74 −73
src/backend/optimizer/path/_deadcode/xfunc.c	modified	+7 −7
src/backend/optimizer/path/indxpath.c	modified	+6 −16
src/backend/optimizer/path/joinpath.c	modified	+3 −3
src/backend/optimizer/path/orindxpath.c	modified	+2 −12
src/backend/optimizer/plan/initsplan.c	modified	+3 −3
src/backend/optimizer/util/pathnode.c	modified	+11 −49
src/backend/optimizer/util/plancat.c	modified	+2 −211
src/backend/tcop/postgres.c	modified	+10 −7
src/backend/utils/adt/selfuncs.c	modified	+60 −330
src/include/access/genam.h	modified	+2 −1
src/include/catalog/catversion.h	modified	+2 −2
src/include/catalog/pg_am.h	modified	+8 −6
src/include/catalog/pg_amop.h	modified	+168 −173
src/include/catalog/pg_proc.h	modified	+9 −17
src/include/nodes/relation.h	modified	+4 −1
src/include/optimizer/cost.h	modified	+19 −11
src/include/optimizer/internal.h	modified	+1 −12
src/include/optimizer/paths.h	modified	+8 −1
src/include/optimizer/plancat.h	modified	+1 −5
src/include/utils/builtins.h	modified	+20 −10
src/test/regress/sql/opr_sanity.sql	modified	+4 −31
src/tutorial/complex.source	modified	+11 −21