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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.
This commit is contained in:
Tom Lane
2003-02-08 20:20:55 +00:00
parent 893678eda7
commit c15a4c2aef
35 changed files with 1453 additions and 626 deletions

View File

@ -1,5 +1,5 @@
<!--
$Header: /cvsroot/pgsql/doc/src/sgml/Attic/indexcost.sgml,v 2.15 2003/01/28 22:13:24 tgl Exp $
$Header: /cvsroot/pgsql/doc/src/sgml/Attic/indexcost.sgml,v 2.16 2003/02/08 20:20:53 tgl Exp $
-->
<chapter id="indexcost">
@ -205,8 +205,7 @@ amcostestimate (Query *root,
<programlisting>
*indexSelectivity = clauselist_selectivity(root, indexQuals,
lfirsti(rel->relids),
JOIN_INNER);
rel->relid, JOIN_INNER);
</programlisting>
</para>
</step>