From 5f0ce95c739ac5c75f2a879ff9bb57f13f7806ea Mon Sep 17 00:00:00 2001
From: ym0 <ym0@oceanbase.com>
Date: Mon, 26 Jul 2021 12:45:13 +0800
Subject: [PATCH] fix remote async execute -4006

---
 src/sql/executor/ob_execute_result.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/sql/executor/ob_execute_result.cpp b/src/sql/executor/ob_execute_result.cpp
index c55acb096..3dba3c10d 100644
--- a/src/sql/executor/ob_execute_result.cpp
+++ b/src/sql/executor/ob_execute_result.cpp
@@ -227,7 +227,9 @@ int ObAsyncExecuteResult::get_next_row(ObExecContext& ctx, const ObNewRow*& row)
 {
   UNUSED(ctx);
   int ret = OB_SUCCESS;
-  if (OB_ISNULL(cur_row_)) {
+  if (field_count_ <= 0) {
+    ret = OB_ITER_END;
+  } else if (OB_ISNULL(cur_row_)) {
     ret = OB_NOT_INIT;
     LOG_WARN("scanner is invalid", K(ret));
   } else if (nullptr == spec_) {