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-rw-r--r--src/backend/commands/explain.c24
1 files changed, 21 insertions, 3 deletions
diff --git a/src/backend/commands/explain.c b/src/backend/commands/explain.c
index 0dba9283f1c..08f3167f10d 100644
--- a/src/backend/commands/explain.c
+++ b/src/backend/commands/explain.c
@@ -320,13 +320,19 @@ ExplainOneQuery(Query *query, IntoClause *into, ExplainState *es,
(*ExplainOneQuery_hook) (query, into, es, queryString, params);
else
{
- PlannedStmt *plan;
+ PlannedStmt *plan;
+ instr_time planstart, planduration;
+
+ INSTR_TIME_SET_CURRENT(planstart);
/* plan the query */
plan = pg_plan_query(query, 0, params);
+ INSTR_TIME_SET_CURRENT(planduration);
+ INSTR_TIME_SUBTRACT(planduration, planstart);
+
/* run it (if needed) and produce output */
- ExplainOnePlan(plan, into, es, queryString, params);
+ ExplainOnePlan(plan, into, es, queryString, params, &planduration);
}
}
@@ -403,7 +409,8 @@ ExplainOneUtility(Node *utilityStmt, IntoClause *into, ExplainState *es,
*/
void
ExplainOnePlan(PlannedStmt *plannedstmt, IntoClause *into, ExplainState *es,
- const char *queryString, ParamListInfo params)
+ const char *queryString, ParamListInfo params,
+ const instr_time *planduration)
{
DestReceiver *dest;
QueryDesc *queryDesc;
@@ -484,6 +491,17 @@ ExplainOnePlan(PlannedStmt *plannedstmt, IntoClause *into, ExplainState *es,
/* Create textual dump of plan tree */
ExplainPrintPlan(es, queryDesc);
+ if (es->costs && planduration)
+ {
+ double plantime = INSTR_TIME_GET_DOUBLE(*planduration);
+
+ if (es->format == EXPLAIN_FORMAT_TEXT)
+ appendStringInfo(es->str, "Planning time: %.3f ms\n",
+ 1000.0 * plantime);
+ else
+ ExplainPropertyFloat("Planning Time", 1000.0 * plantime, 3, es);
+ }
+
/* Print info about runtime of triggers */
if (es->analyze)
ExplainPrintTriggers(es, queryDesc);