diff options
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/ref/explain.sgml | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/doc/src/sgml/ref/explain.sgml b/doc/src/sgml/ref/explain.sgml index 8a9c9defcac..419b72cad34 100644 --- a/doc/src/sgml/ref/explain.sgml +++ b/doc/src/sgml/ref/explain.sgml @@ -40,6 +40,7 @@ EXPLAIN [ ANALYZE ] [ VERBOSE ] <replaceable class="parameter">statement</replac VERBOSE [ <replaceable class="parameter">boolean</replaceable> ] COSTS [ <replaceable class="parameter">boolean</replaceable> ] BUFFERS [ <replaceable class="parameter">boolean</replaceable> ] + TIMING [ <replaceable class="parameter">boolean</replaceable> ] FORMAT { TEXT | XML | JSON | YAML } </synopsis> </refsynopsisdiv> @@ -172,6 +173,21 @@ ROLLBACK; </varlistentry> <varlistentry> + <term><literal>TIMING</literal></term> + <listitem> + <para> + Include the actual startup time and time spent in the node in the 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. + This parameter may only be used when <literal>ANALYZE</literal> is also + enabled. It defaults to <literal>TRUE</literal>. + </para> + </listitem> + </varlistentry> + + <varlistentry> <term><literal>FORMAT</literal></term> <listitem> <para> |