diff --git a/src/common/backend/parser/parse_expr.cpp b/src/common/backend/parser/parse_expr.cpp
index 2220c26c4bfd310b0b7da978b7b5e661de66ba67..ac497130ca419f6007d8116462398c8e2f2b4589 100644
--- a/src/common/backend/parser/parse_expr.cpp
+++ b/src/common/backend/parser/parse_expr.cpp
@@ -1523,7 +1523,13 @@ static Node* transformAExprOp(ParseState* pstate, A_Expr* a)
         lexpr = transformExprRecurse(pstate, lexpr);
         rexpr = transformExprRecurse(pstate, rexpr);
 
-        result = (Node*)make_op(pstate, a->name, lexpr, rexpr, last_srf, a->location);
+        bool isNumeric = false;
+        if (DB_IS_CMPT(A_FORMAT) || DB_IS_CMPT(B_FORMAT)) {
+            Oid ltypeId = exprType(lexpr);
+            Oid rtypeId = exprType(rexpr);
+            isNumeric = (IsIntType(ltypeId) && IsCharType(rtypeId)) || (IsIntType(rtypeId) && IsCharType(ltypeId));
+        }
+        result = (Node*)make_op(pstate, a->name, lexpr, rexpr, last_srf, a->location, isNumeric);
     }
 
     return result;