postgres
diff --git a/‎contrib/pg_stat_statements/expected/pg_stat_statements.out
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+5-3Lines changed: 5 additions & 3 deletions b/‎contrib/pg_stat_statements/expected/pg_stat_statements.out
Copy file name to clipboardExpand all lines: contrib/pg_stat_statements/expected/pg_stat_statements.out
+5-3Lines changed: 5 additions & 3 deletions
diff --git a/‎contrib/pg_stat_statements/pg_stat_statements.c
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+5-4Lines changed: 5 additions & 4 deletions b/‎contrib/pg_stat_statements/pg_stat_statements.c
Copy file name to clipboardExpand all lines: contrib/pg_stat_statements/pg_stat_statements.c
+5-4Lines changed: 5 additions & 4 deletions
diff --git a/‎contrib/pg_stat_statements/sql/pg_stat_statements.sql
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+3-2Lines changed: 3 additions & 2 deletions b/‎contrib/pg_stat_statements/sql/pg_stat_statements.sql
Copy file name to clipboardExpand all lines: contrib/pg_stat_statements/sql/pg_stat_statements.sql
+3-2Lines changed: 3 additions & 2 deletions
diff --git a/‎src/backend/commands/matview.c
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+11Lines changed: 11 additions & 0 deletions b/‎src/backend/commands/matview.c
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+11Lines changed: 11 additions & 0 deletions
@@ -530,8 +530,8 @@ SELECT query, calls, rows FROM pg_stat_statements ORDER BY query COLLATE "C";
 
 --
 -- Track the total number of rows retrieved or affected by the utility
--- commands of COPY, FETCH, CREATE TABLE AS, CREATE MATERIALIZED VIEW
--- and SELECT INTO
+-- commands of COPY, FETCH, CREATE TABLE AS, CREATE MATERIALIZED VIEW,
+-- REFRESH MATERIALIZED VIEW and SELECT INTO
 --
 SELECT pg_stat_statements_reset();
  pg_stat_statements_reset 
@@ -543,6 +543,7 @@ CREATE TABLE pgss_ctas AS SELECT a, 'ctas' b FROM generate_series(1, 10) a;
 SELECT generate_series(1, 10) c INTO pgss_select_into;
 COPY pgss_ctas (a, b) FROM STDIN;
 CREATE MATERIALIZED VIEW pgss_matv AS SELECT * FROM pgss_ctas;
+REFRESH MATERIALIZED VIEW pgss_matv;
 BEGIN;
 DECLARE pgss_cursor CURSOR FOR SELECT * FROM pgss_matv;
 FETCH NEXT pgss_cursor;
@@ -586,10 +587,11 @@ SELECT query, plans, calls, rows FROM pg_stat_statements ORDER BY query COLLATE
  FETCH FORWARD 5 pgss_cursor                                                         |     0 |     1 |    5
  FETCH FORWARD ALL pgss_cursor                                                       |     0 |     1 |    7
  FETCH NEXT pgss_cursor                                                              |     0 |     1 |    1
+ REFRESH MATERIALIZED VIEW pgss_matv                                                 |     0 |     1 |   13
  SELECT generate_series(1, 10) c INTO pgss_select_into                               |     0 |     1 |   10
  SELECT pg_stat_statements_reset()                                                   |     0 |     1 |    1
  SELECT query, plans, calls, rows FROM pg_stat_statements ORDER BY query COLLATE "C" |     1 |     0 |    0
-(12 rows)
+(13 rows)
 
 --
 -- Track user activity and reset them
 
@@ -1171,13 +1171,14 @@ pgss_ProcessUtility(PlannedStmt *pstmt, const char *queryString,
 		INSTR_TIME_SUBTRACT(duration, start);
 
 		/*
-		 * Track the total number of rows retrieved or affected by
-		 * the utility statements of COPY, FETCH, CREATE TABLE AS,
-		 * CREATE MATERIALIZED VIEW and SELECT INTO.
+		 * Track the total number of rows retrieved or affected by the utility
+		 * statements of COPY, FETCH, CREATE TABLE AS, CREATE MATERIALIZED
+		 * VIEW, REFRESH MATERIALIZED VIEW and SELECT INTO.
 		 */
 		rows = (qc && (qc->commandTag == CMDTAG_COPY ||
 					   qc->commandTag == CMDTAG_FETCH ||
-					   qc->commandTag == CMDTAG_SELECT)) ?
+					   qc->commandTag == CMDTAG_SELECT ||
+					   qc->commandTag == CMDTAG_REFRESH_MATERIALIZED_VIEW)) ?
 			qc->nprocessed : 0;
 
 		/* calc differences of buffer counters. */
 
@@ -252,8 +252,8 @@ SELECT query, calls, rows FROM pg_stat_statements ORDER BY query COLLATE "C";
 
 --
 -- Track the total number of rows retrieved or affected by the utility
--- commands of COPY, FETCH, CREATE TABLE AS, CREATE MATERIALIZED VIEW
--- and SELECT INTO
+-- commands of COPY, FETCH, CREATE TABLE AS, CREATE MATERIALIZED VIEW,
+-- REFRESH MATERIALIZED VIEW and SELECT INTO
 --
 SELECT pg_stat_statements_reset();
 
@@ -265,6 +265,7 @@ COPY pgss_ctas (a, b) FROM STDIN;
 13	copy
 \.
 CREATE MATERIALIZED VIEW pgss_matv AS SELECT * FROM pgss_ctas;
+REFRESH MATERIALIZED VIEW pgss_matv;
 BEGIN;
 DECLARE pgss_cursor CURSOR FOR SELECT * FROM pgss_matv;
 FETCH NEXT pgss_cursor;
 
@@ -356,6 +356,17 @@ ExecRefreshMatView(RefreshMatViewStmt *stmt, const char *queryString,
 
 	ObjectAddressSet(address, RelationRelationId, matviewOid);
 
+	/*
+	 * Save the rowcount so that pg_stat_statements can track the total number
+	 * of rows processed by REFRESH MATERIALIZED VIEW command. Note that we
+	 * still don't display the rowcount in the command completion tag output,
+	 * i.e., the display_rowcount flag of CMDTAG_REFRESH_MATERIALIZED_VIEW
+	 * command tag is left false in cmdtaglist.h. Otherwise, the change of
+	 * completion tag output might break applications using it.
+	 */
+	if (qc)
+		SetQueryCompletion(qc, CMDTAG_REFRESH_MATERIALIZED_VIEW, processed);
+
 	return address;
 }