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authorTom Lane <tgl@sss.pgh.pa.us>2003-01-28 22:13:41 +0000
committerTom Lane <tgl@sss.pgh.pa.us>2003-01-28 22:13:41 +0000
commit2e46b762eb1c15de2bcda785469a753a753747fb (patch)
tree54bb20d645df6e5bede49e6c405a93b137c65a20 /doc/src/sgml
parent955a1f81a702489102b2526e24631b9f51e14247 (diff)
Extend join-selectivity API (oprjoin interface) so that join type is
passed to join selectivity estimators. Make use of this in eqjoinsel to derive non-bogus selectivity for IN clauses. Further tweaking of cost estimation for IN. initdb forced because of pg_proc.h changes.
Diffstat (limited to 'doc/src/sgml')
-rw-r--r--doc/src/sgml/indexcost.sgml5
1 files changed, 3 insertions, 2 deletions
diff --git a/doc/src/sgml/indexcost.sgml b/doc/src/sgml/indexcost.sgml
index 1211653edd2..6c8c940c100 100644
--- a/doc/src/sgml/indexcost.sgml
+++ b/doc/src/sgml/indexcost.sgml
@@ -1,5 +1,5 @@
<!--
-$Header: /cvsroot/pgsql/doc/src/sgml/Attic/indexcost.sgml,v 2.14 2003/01/14 10:19:02 petere Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/Attic/indexcost.sgml,v 2.15 2003/01/28 22:13:24 tgl Exp $
-->
<chapter id="indexcost">
@@ -205,7 +205,8 @@ amcostestimate (Query *root,
<programlisting>
*indexSelectivity = clauselist_selectivity(root, indexQuals,
- lfirsti(rel->relids));
+ lfirsti(rel->relids),
+ JOIN_INNER);
</programlisting>
</para>
</step>