1 files changed, 19 insertions, 0 deletions
diff --git a/src/backend/nodes/copyfuncs.c b/src/backend/nodes/copyfuncs.c
index 9f6a7e61541..f871e9d4bbf 100644
--- a/src/backend/nodes/copyfuncs.c
+++ b/src/backend/nodes/copyfuncs.c
@@ -166,6 +166,22 @@ _copyResult(const Result *from)
 }
 
 /*
+ * _copyProjectSet
+ */
+static ProjectSet *
+_copyProjectSet(const ProjectSet *from)
+{
+	ProjectSet *newnode = makeNode(ProjectSet);
+
+	/*
+	 * copy node superclass fields
+	 */
+	CopyPlanFields((const Plan *) from, (Plan *) newnode);
+
+	return newnode;
+}
+
+/*
  * _copyModifyTable
  */
 static ModifyTable *
@@ -4415,6 +4431,9 @@ copyObject(const void *from)
 		case T_Result:
 			retval = _copyResult(from);
 			break;
+		case T_ProjectSet:
+			retval = _copyProjectSet(from);
+			break;
 		case T_ModifyTable:
 			retval = _copyModifyTable(from);
 			break;