From 255a3e9258f139e4c3919e67b3092c0760f9efae Mon Sep 17 00:00:00 2001
From: Haojun Liao <hjliao@taosdata.com>
Date: Thu, 10 Oct 2024 16:21:11 +0800
Subject: [PATCH] fix(util): reset the returned length value.

---
 source/common/src/tdatablock.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/source/common/src/tdatablock.c b/source/common/src/tdatablock.c
index 7a67522231..98e58c8bd7 100644
--- a/source/common/src/tdatablock.c
+++ b/source/common/src/tdatablock.c
@@ -2610,7 +2610,10 @@ int32_t dumpBlockData(SSDataBlock* pDataBlock, const char* flag, char** pDataBuf
           if (code < 0) {
             uError("func %s failed to convert to ucs charset since %s", __func__, tstrerror(code));
             goto _exit;
+          } else { // reset the length value
+            code = TSDB_CODE_SUCCESS;
           }
+
           len += snprintf(dumpBuf + len, size - len, " %15s |", pBuf);
           if (len >= size - 1) goto _exit;
         } break;