diff --git a/src/sql/resolver/expr/ob_raw_expr_part_expr_checker.cpp b/src/sql/resolver/expr/ob_raw_expr_part_expr_checker.cpp
index 76ddc3e6d2..dd9afaa182 100644
--- a/src/sql/resolver/expr/ob_raw_expr_part_expr_checker.cpp
+++ b/src/sql/resolver/expr/ob_raw_expr_part_expr_checker.cpp
@@ -198,6 +198,19 @@ int ObRawExprPartExprChecker::visit(ObOpRawExpr &expr)
       !ob_is_integer_type(type)) {
     ret = OB_ERR_VALUES_IS_NOT_INT_TYPE_ERROR;
     LOG_WARN("part_value_expr type is not correct", K(ret), K(type));
+  } else {
+    switch (expr.get_expr_type()) {
+      case T_OP_REGEXP: {
+        ret = OB_ERR_PARTITION_FUNCTION_IS_NOT_ALLOWED;
+        LOG_WARN("invalid partition function", K(ret), "item_type", expr.get_expr_type());
+        break;
+      }
+      default: {
+        if (OB_FAIL(default_check_args(expr))) {
+          LOG_WARN("default_check_args failed", K(ret));
+        }
+      }
+    }
   }
   return ret;
 }