diff --git a/src/backend/nodes/copyfuncs.c b/src/backend/nodes/copyfuncs.c
index 33f7b14894a3869c64797e2b6afce29470436b59..70910ac4b68f99cbdbb3e244845c2181c4c80a01 100644
--- a/src/backend/nodes/copyfuncs.c
+++ b/src/backend/nodes/copyfuncs.c
@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.51 1998/12/04 15:33:33 thomas Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.52 1999/01/21 16:38:36 vadim Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -1540,6 +1540,17 @@ _copyRangeTblEntry(RangeTblEntry *from)
 	return newnode;
 }
 
+static RowMark *
+_copyRowMark(RowMark *from)
+{
+	RowMark *newnode = makeNode(RowMark);
+
+	newnode->rti = from->rti;
+	newnode->info = from->info;
+
+	return newnode;
+}
+
 static SortClause *
 _copySortClause(SortClause *from)
 {
@@ -1623,6 +1634,8 @@ _copyQuery(Query *from)
 	Node_Copy(from, newnode, limitOffset);
 	Node_Copy(from, newnode, limitCount);
 
+	Node_Copy(from, newnode, rowMark);
+
 	return newnode;
 }
 
@@ -1846,6 +1859,9 @@ copyObject(void *from)
 		case T_RangeTblEntry:
 			retval = _copyRangeTblEntry(from);
 			break;
+		case T_RowMark:
+			retval = _copyRowMark(from);
+			break;
 		case T_SortClause:
 			retval = _copySortClause(from);
 			break;