diff --git a/src/common/backend/catalog/pg_hashbucket.cpp b/src/common/backend/catalog/pg_hashbucket.cpp
index 5679cc7cebd254b1de41ae3a50d62788e7e724d1..1b0ee5ef9457c7a8fc5dc7b55e697149f062193c 100755
--- a/src/common/backend/catalog/pg_hashbucket.cpp
+++ b/src/common/backend/catalog/pg_hashbucket.cpp
@@ -970,7 +970,7 @@ static int16 *IndexGetIndkey(HeapTuple tuple, int *nColumn)
     return (int16 *)ARR_DATA_PTR(IndkeyColumns);
 }
 
-static int2vector *GetIndexTupleIndkey(HeapTuple tup, int *nColumn)
+int2vector *GetIndexTupleIndkey(HeapTuple tup, int *nColumn)
 {
     int16      *attNum = NULL;
     int2vector *indkey = NULL;