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Update comment about outer joins in description of geqo_threshold.

This commit is contained in:
Tom Lane 2006-01-11 23:14:29 +00:00
parent 416689c866
commit 445144b8c2
1 changed files with 3 additions and 3 deletions
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6
doc/src/sgml/config.sgml
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@ -1,5 +1,5 @@
<!-- <!--
$PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.42 2006/01/05 10:07:44 petere Exp $ $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.43 2006/01/11 23:14:29 tgl Exp $
--> -->
<chapter Id="runtime-config"> <chapter Id="runtime-config">
<title>Server Configuration</title> <title>Server Configuration</title>
@ -1853,8 +1853,8 @@ archive_command = 'copy "%p" /mnt/server/archivedir/"%f"' # Windows
<listitem> <listitem>
<para> <para>
Use genetic query optimization to plan queries with at least Use genetic query optimization to plan queries with at least
this many <literal>FROM</> items involved. (Note that an outer this many <literal>FROM</> items involved. (Note that a
<literal>JOIN</> construct counts as only one <literal>FROM</> <literal>FULL OUTER JOIN</> construct counts as only one <literal>FROM</>
item.) The default is 12. For simpler queries it is usually best item.) The default is 12. For simpler queries it is usually best
to use the deterministic, exhaustive planner, but for queries with to use the deterministic, exhaustive planner, but for queries with
many tables the deterministic planner takes too long. many tables the deterministic planner takes too long.