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auto_explain: Add logging of trigger execution 

Author: Kyotaro HORIGUCHI
Reviewed-by: Jaime Casanova
This commit is contained in:
Alvaro Herrera 2014-03-04 15:31:18 -03:00
parent 84df54b22e
commit e2a0fc5363
2 changed files with 32 additions and 0 deletions
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14
contrib/auto_explain/auto_explain.c
View File

@ -25,6 +25,7 @@ static int auto_explain_log_min_duration = -1; /* msec or -1 */
static bool auto_explain_log_analyze = false;
static bool auto_explain_log_verbose = false;
static bool auto_explain_log_buffers = false;
static bool auto_explain_log_triggers = false;
static bool auto_explain_log_timing = false;
static int auto_explain_log_format = EXPLAIN_FORMAT_TEXT;
static bool auto_explain_log_nested_statements = false;
@ -113,6 +114,17 @@ _PG_init(void)
NULL,
NULL);
DefineCustomBoolVariable("auto_explain.log_triggers",
"Include trigger statistics in plans.",
"This has no effect unless log_analyze is also set.",
&auto_explain_log_triggers,
false,
PGC_SUSET,
0,
NULL,
NULL,
NULL);
DefineCustomEnumVariable("auto_explain.log_format",
"EXPLAIN format to be used for plan logging.",
NULL,
@ -295,6 +307,8 @@ explain_ExecutorEnd(QueryDesc *queryDesc)
ExplainBeginOutput(&es);
ExplainQueryText(&es, queryDesc);
ExplainPrintPlan(&es, queryDesc);
if (es.analyze && auto_explain_log_triggers)
ExplainPrintTriggers(&es, queryDesc);
ExplainEndOutput(&es);
/* Remove last line break */

18
doc/src/sgml/auto-explain.sgml
View File

@ -122,6 +122,24 @@ LOAD 'auto_explain';
</listitem>
</varlistentry>
<varlistentry>
<term>
<varname>auto_explain.log_triggers</varname> (<type>boolean</type>)
</term>
<indexterm>
<primary><varname>auto_explain.log_triggers</> configuration parameter</primary>
</indexterm>
<listitem>
<para>
<varname>auto_explain.log_triggers</varname> causes trigger
execution statistics to be included when an execution plan is logged.
This parameter is off by default. Only superusers can change this
setting. This parameter has no effect unless
<varname>auto_explain.log_analyze</> parameter is set.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<varname>auto_explain.log_format</varname> (<type>enum</type>)