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Extend join-selectivity API (oprjoin interface) so that join type is

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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.
This commit is contained in:
Tom Lane
2003-01-28 22:13:41 +00:00
parent 955a1f81a7
commit 2e46b762eb
16 changed files with 222 additions and 137 deletions
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5
doc/src/sgml/indexcost.sgml
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@ -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>