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Add a hook to let loadable modules get control at ProcessUtility execution,

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and use it to extend contrib/pg_stat_statements to track utility commands.

Itagaki Takahiro, reviewed by Euler Taveira de Oliveira.
This commit is contained in:
Tom Lane
2009-12-15 20:04:49 +00:00
parent 34d26872ed
commit a5495cd841
4 changed files with 135 additions and 11 deletions
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19
doc/src/sgml/pgstatstatements.sgml
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@ -1,4 +1,4 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/pgstatstatements.sgml,v 1.4 2009/12/01 02:31:11 momjian Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/pgstatstatements.sgml,v 1.5 2009/12/15 20:04:49 tgl Exp $ -->
<sect1 id="pgstatstatements">
<title>pg_stat_statements</title>
@ -174,6 +174,23 @@
</listitem>
</varlistentry>
<varlistentry>
<term>
<varname>pg_stat_statements.track_utility</varname> (<type>boolean</type>)
</term>
<listitem>
<para>
<varname>pg_stat_statements.track_utility</varname> controls whether
utility commands are tracked by the module. Utility commands are
all those other than <command>SELECT</>, <command>INSERT</>,
<command>UPDATE</> and <command>DELETE</>.
The default value is <literal>on</>.
Only superusers can change this setting.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<varname>pg_stat_statements.save</varname> (<type>boolean</type>)