From 451a15f95cbe501ee46e821bfb06c8b9afa5cf6a Mon Sep 17 00:00:00 2001
From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Sun, 22 Feb 2009 23:50:30 +0000
Subject: [PATCH] Add note that inlined SQL functions aren't tracked by
track_functions.
---
doc/src/sgml/config.sgml | 16 ++++++++++++----
1 file changed, 12 insertions(+), 4 deletions(-)
diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml
index c205732f0df..069ab9a8fb2 100644
--- a/doc/src/sgml/config.sgml
+++ b/doc/src/sgml/config.sgml
@@ -1,4 +1,4 @@
-<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.208 2009/02/15 18:28:48 tgl Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.209 2009/02/22 23:50:30 tgl Exp $ -->
<chapter Id="runtime-config">
<title>Server Configuration</title>
@@ -3361,11 +3361,19 @@ COPY postgres_log FROM '/full/path/to/logfile.csv' WITH csv;
<listitem>
<para>
Enables tracking of function call counts and time used. Specify
- <literal>pl</literal> to count only procedural language functions,
+ <literal>pl</literal> to track only procedural-language functions,
<literal>all</literal> to also track SQL and C language functions.
- The default is <literal>none</literal>.
- Only superusers can change this setting.
+ The default is <literal>none</literal>, which disables function
+ statistics tracking. Only superusers can change this setting.
</para>
+
+ <note>
+ <para>
+ SQL-language functions that are simple enough to be <quote>inlined</>
+ into the calling query will not be tracked, regardless of this
+ setting.
+ </para>
+ </note>
</listitem>
</varlistentry>
--
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