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体验新版 GitCode,发现更多精彩内容 >>
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d2458e3b
编写于
1月 20, 2014
作者:
A
Alvaro Herrera
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电子邮件补丁
差异文件
Expose a routine to print triggers during EXPLAIN ANALYZE
This is so that auto_explain can use it. Kyotaro HORIGUCHI
上级
fe0c690d
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
38 addition
and
23 deletion
+38
-23
src/backend/commands/explain.c
src/backend/commands/explain.c
+37
-23
src/include/commands/explain.h
src/include/commands/explain.h
+1
-0
未找到文件。
src/backend/commands/explain.c
浏览文件 @
d2458e3b
...
...
@@ -486,29 +486,7 @@ ExplainOnePlan(PlannedStmt *plannedstmt, IntoClause *into, ExplainState *es,
/* Print info about runtime of triggers */
if
(
es
->
analyze
)
{
ResultRelInfo
*
rInfo
;
bool
show_relname
;
int
numrels
=
queryDesc
->
estate
->
es_num_result_relations
;
List
*
targrels
=
queryDesc
->
estate
->
es_trig_target_relations
;
int
nr
;
ListCell
*
l
;
ExplainOpenGroup
(
"Triggers"
,
"Triggers"
,
false
,
es
);
show_relname
=
(
numrels
>
1
||
targrels
!=
NIL
);
rInfo
=
queryDesc
->
estate
->
es_result_relations
;
for
(
nr
=
0
;
nr
<
numrels
;
rInfo
++
,
nr
++
)
report_triggers
(
rInfo
,
show_relname
,
es
);
foreach
(
l
,
targrels
)
{
rInfo
=
(
ResultRelInfo
*
)
lfirst
(
l
);
report_triggers
(
rInfo
,
show_relname
,
es
);
}
ExplainCloseGroup
(
"Triggers"
,
"Triggers"
,
false
,
es
);
}
ExplainPrintTriggers
(
es
,
queryDesc
);
/*
* Close down the query and free resources. Include time for this in the
...
...
@@ -564,6 +542,42 @@ ExplainPrintPlan(ExplainState *es, QueryDesc *queryDesc)
ExplainNode
(
queryDesc
->
planstate
,
NIL
,
NULL
,
NULL
,
es
);
}
/*
* ExplainPrintTriggers -
* convert a QueryDesc's trigger statistics to text and append it to
* es->str
*
* The caller should have set up the options fields of *es, as well as
* initializing the output buffer es->str. Other fields in *es are
* initialized here.
*/
void
ExplainPrintTriggers
(
ExplainState
*
es
,
QueryDesc
*
queryDesc
)
{
ResultRelInfo
*
rInfo
;
bool
show_relname
;
int
numrels
=
queryDesc
->
estate
->
es_num_result_relations
;
List
*
targrels
=
queryDesc
->
estate
->
es_trig_target_relations
;
int
nr
;
ListCell
*
l
;
ExplainOpenGroup
(
"Triggers"
,
"Triggers"
,
false
,
es
);
show_relname
=
(
numrels
>
1
||
targrels
!=
NIL
);
rInfo
=
queryDesc
->
estate
->
es_result_relations
;
for
(
nr
=
0
;
nr
<
numrels
;
rInfo
++
,
nr
++
)
report_triggers
(
rInfo
,
show_relname
,
es
);
foreach
(
l
,
targrels
)
{
rInfo
=
(
ResultRelInfo
*
)
lfirst
(
l
);
report_triggers
(
rInfo
,
show_relname
,
es
);
}
ExplainCloseGroup
(
"Triggers"
,
"Triggers"
,
false
,
es
);
}
/*
* ExplainQueryText -
* add a "Query Text" node that contains the actual text of the query
...
...
src/include/commands/explain.h
浏览文件 @
d2458e3b
...
...
@@ -71,6 +71,7 @@ extern void ExplainOnePlan(PlannedStmt *plannedstmt, IntoClause *into,
const
char
*
queryString
,
ParamListInfo
params
);
extern
void
ExplainPrintPlan
(
ExplainState
*
es
,
QueryDesc
*
queryDesc
);
extern
void
ExplainPrintTriggers
(
ExplainState
*
es
,
QueryDesc
*
queryDesc
);
extern
void
ExplainQueryText
(
ExplainState
*
es
,
QueryDesc
*
queryDesc
);
...
...
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