From efc0dd01cabd6ccd2bb75df94671f0e6823a85f1 Mon Sep 17 00:00:00 2001
From: Minglei Jin <stephenk@gmx.us>
Date: Mon, 23 May 2022 15:52:41 +0800
Subject: [PATCH] fix: ignore Ref is not there to save true error

---
 src/client/src/tscSql.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/client/src/tscSql.c b/src/client/src/tscSql.c
index 849fe0ba73..a025829343 100644
--- a/src/client/src/tscSql.c
+++ b/src/client/src/tscSql.c
@@ -211,7 +211,9 @@ TAOS *taos_connect_internal(const char *ip, const char *user, const char *pass,
       } else {
         printf("taos connect failed, reason: %s.\n\n", tstrerror(terrno));
       }
+      int32_t lastError = terrno;
       taos_free_result(pSql);
+      if (terrno != lastError) terrno = lastError;
       taos_close(pObj);
       return NULL;
     }
-- 
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