diff --git a/src/backend/executor/execUtils.c b/src/backend/executor/execUtils.c
index 3d6a3801c0..d205101b89 100644
--- a/src/backend/executor/execUtils.c
+++ b/src/backend/executor/execUtils.c
@@ -47,7 +47,14 @@
 #include "utils/rel.h"
 
 
-static bool get_last_attnums(Node *node, ProjectionInfo *projInfo);
+typedef struct LastLastAttnumInfo