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Commitc15a4c2

Browse files
committed
Replace planner's representation of relation sets, per pghackers discussion.
Instead of Lists of integers, we now store variable-length bitmap sets.This should be faster as well as less error-prone.
1 parent893678e commitc15a4c2

35 files changed

+1453
-626
lines changed

‎doc/src/sgml/indexcost.sgml

Lines changed: 2 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -1,5 +1,5 @@
11
<!--
2-
$Header: /cvsroot/pgsql/doc/src/sgml/Attic/indexcost.sgml,v 2.15 2003/01/28 22:13:24 tgl Exp $
2+
$Header: /cvsroot/pgsql/doc/src/sgml/Attic/indexcost.sgml,v 2.16 2003/02/08 20:20:53 tgl Exp $
33
-->
44

55
<chapter id="indexcost">
@@ -205,8 +205,7 @@ amcostestimate (Query *root,
205205

206206
<programlisting>
207207
*indexSelectivity = clauselist_selectivity(root, indexQuals,
208-
lfirsti(rel->relids),
209-
JOIN_INNER);
208+
rel->relid, JOIN_INNER);
210209
</programlisting>
211210
</para>
212211
</step>

‎src/backend/commands/explain.c

Lines changed: 9 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -7,7 +7,7 @@
77
* Portions Copyright (c) 1994-5, Regents of the University of California
88
*
99
* IDENTIFICATION
10-
* $Header: /cvsroot/pgsql/src/backend/commands/explain.c,v 1.100 2003/02/02 23:46:38 tgl Exp $
10+
* $Header: /cvsroot/pgsql/src/backend/commands/explain.c,v 1.101 2003/02/08 20:20:53 tgl Exp $
1111
*
1212
*-------------------------------------------------------------------------
1313
*/
@@ -775,12 +775,15 @@ show_scan_qual(List *qual, bool is_or_qual, const char *qlabel,
775775
*/
776776
if (outer_plan)
777777
{
778-
if (intMember(OUTER,pull_varnos(node)))
778+
Relidsvarnos=pull_varnos(node);
779+
780+
if (bms_is_member(OUTER,varnos))
779781
outercontext=deparse_context_for_subplan("outer",
780782
outer_plan->targetlist,
781783
es->rtable);
782784
else
783785
outercontext=NULL;
786+
bms_free(varnos);
784787
}
785788
else
786789
outercontext=NULL;
@@ -857,6 +860,7 @@ show_sort_keys(List *tlist, int nkeys, const char *qlabel,
857860
intkeyno;
858861
List*tl;
859862
char*exprstr;
863+
Relidsvarnos;
860864
inti;
861865

862866
if (nkeys <=0)
@@ -874,7 +878,8 @@ show_sort_keys(List *tlist, int nkeys, const char *qlabel,
874878
* there are Vars with zero varno, use the tlist itself to determine
875879
* their names.
876880
*/
877-
if (intMember(0,pull_varnos((Node*)tlist)))
881+
varnos=pull_varnos((Node*)tlist);
882+
if (bms_is_member(0,varnos))
878883
{
879884
Node*outercontext;
880885

@@ -893,6 +898,7 @@ show_sort_keys(List *tlist, int nkeys, const char *qlabel,
893898
es->rtable);
894899
useprefix=length(es->rtable)>1;
895900
}
901+
bms_free(varnos);
896902

897903
for (keyno=1;keyno <=nkeys;keyno++)
898904
{

‎src/backend/nodes/Makefile

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -4,15 +4,15 @@
44
# Makefile for backend/nodes
55
#
66
# IDENTIFICATION
7-
# $Header: /cvsroot/pgsql/src/backend/nodes/Makefile,v 1.13 2000/08/31 16:10:06 petere Exp $
7+
# $Header: /cvsroot/pgsql/src/backend/nodes/Makefile,v 1.14 2003/02/08 20:20:53 tgl Exp $
88
#
99
#-------------------------------------------------------------------------
1010

1111
subdir = src/backend/nodes
1212
top_builddir = ../../..
1313
include$(top_builddir)/src/Makefile.global
1414

15-
OBJS = nodeFuncs.o nodes.o list.o\
15+
OBJS = nodeFuncs.o nodes.o list.obitmapset.o\
1616
copyfuncs.o equalfuncs.o makefuncs.o\
1717
outfuncs.o readfuncs.o print.o read.o
1818

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