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Document how auto_explain.log_timing can be changed.

This commit is contained in:
Fujii Masao
2013-08-09 22:14:26 +09:00
parent 595f52f817
commit 646cbc1f01

View File

@ -152,10 +152,10 @@ LOAD 'auto_explain';
(ANALYZE, TIMING off)</> output, rather than just <command>EXPLAIN (ANALYZE)</>
output. The overhead of repeatedly reading the system clock can slow down the
query significantly on some systems, so it may be useful to set this
parameter to <literal>FALSE</literal> when only actual row counts, and not
exact times, are needed.
parameter to off when only actual row counts, and not exact times, are needed.
This parameter is only effective when <varname>auto_explain.log_analyze</varname>
is also enabled. It defaults to <literal>TRUE</literal>.
is also enabled. This parameter is on by default.
Only superusers can change this setting.
</para>
</listitem>
</varlistentry>