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This patch makes a few minor improvements to the docs: make the

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<varname> conventions more consistent, and improve the ANALYZE ref page.

Neil Conway
This commit is contained in:
Bruce Momjian
2003-09-11 17:31:45 +00:00
parent 64a7b58aa0
commit 8e27be4310
6 changed files with 57 additions and 50 deletions
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4
doc/src/sgml/perform.sgml
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@ -1,5 +1,5 @@
<!--
$Header: /cvsroot/pgsql/doc/src/sgml/perform.sgml,v 1.31 2003/08/31 17:32:19 petere Exp $
$Header: /cvsroot/pgsql/doc/src/sgml/perform.sgml,v 1.32 2003/09/11 17:31:45 momjian Exp $
-->
<chapter id="performance-tips">
@ -603,7 +603,7 @@ SELECT * FROM a, b, c WHERE a.id = b.id AND b.ref = c.id;
<productname>PostgreSQL</productname> planner will switch from exhaustive
search to a <firstterm>genetic</firstterm> probabilistic search
through a limited number of possibilities. (The switch-over threshold is
set by the <varname>geqo_threshold</varname> run-time
set by the <varname>GEQO_THRESHOLD</varname> run-time
parameter.)
The genetic search takes less time, but it won't
necessarily find the best possible plan.