1 files changed, 2 insertions, 30 deletions

diff --git a/src/backend/commands/explain.c b/src/backend/commands/explain.c
index 81a18abbeb3..ee0e638f33d 100644
--- a/src/backend/commands/explain.c
+++ b/src/backend/commands/explain.c
@@ -372,11 +372,7 @@ ExplainOneQuery(Query *query, int cursorOptions,
 		PlannedStmt *plan;
 		instr_time	planstart,
 					planduration;
-		BufferUsage bufusage_start,
-					bufusage;
 
-		if (es->buffers)
-			bufusage_start = pgBufferUsage;
 		INSTR_TIME_SET_CURRENT(planstart);
 
 		/* plan the query */
@@ -385,16 +381,9 @@ ExplainOneQuery(Query *query, int cursorOptions,
 		INSTR_TIME_SET_CURRENT(planduration);
 		INSTR_TIME_SUBTRACT(planduration, planstart);
 
-		/* calc differences of buffer counters. */
-		if (es->buffers)
-		{
-			memset(&bufusage, 0, sizeof(BufferUsage));
-			BufferUsageAccumDiff(&bufusage, &pgBufferUsage, &bufusage_start);
-		}
-
 		/* run it (if needed) and produce output */
 		ExplainOnePlan(plan, into, es, queryString, params, queryEnv,
-					   &planduration, (es->buffers ? &bufusage : NULL));
+					   &planduration);
 	}
 }
 
@@ -487,8 +476,7 @@ ExplainOneUtility(Node *utilityStmt, IntoClause *into, ExplainState *es,
 void
 ExplainOnePlan(PlannedStmt *plannedstmt, IntoClause *into, ExplainState *es,
 			   const char *queryString, ParamListInfo params,
-			   QueryEnvironment *queryEnv, const instr_time *planduration,
-			   const BufferUsage *bufusage)
+			   QueryEnvironment *queryEnv, const instr_time *planduration)
 {
 	DestReceiver *dest;
 	QueryDesc  *queryDesc;
@@ -572,9 +560,6 @@ ExplainOnePlan(PlannedStmt *plannedstmt, IntoClause *into, ExplainState *es,
 	/* Create textual dump of plan tree */
 	ExplainPrintPlan(es, queryDesc);
 
-	if (es->summary && (planduration || bufusage))
-		ExplainOpenGroup("Planning", "Planning", true, es);
-
 	if (es->summary && planduration)
 	{
 		double		plantime = INSTR_TIME_GET_DOUBLE(*planduration);
@@ -582,19 +567,6 @@ ExplainOnePlan(PlannedStmt *plannedstmt, IntoClause *into, ExplainState *es,
 		ExplainPropertyFloat("Planning Time", "ms", 1000.0 * plantime, 3, es);
 	}
 
-	/* Show buffer usage */
-	if (es->summary && bufusage)
-	{
-		if (es->format == EXPLAIN_FORMAT_TEXT)
-			es->indent++;
-		show_buffer_usage(es, bufusage);
-		if (es->format == EXPLAIN_FORMAT_TEXT)
-			es->indent--;
-	}
-
-	if (es->summary && (planduration || bufusage))
-		ExplainCloseGroup("Planning", "Planning", true, es);
-
 	/* Print info about runtime of triggers */
 	if (es->analyze)
 		ExplainPrintTriggers(es, queryDesc);