From af6d6fdc4b0a2112a524e7e3f4f2de79866c6eed Mon Sep 17 00:00:00 2001
From: Minglei Jin <stephenk@gmx.us>
Date: Mon, 23 May 2022 15:48:18 +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 8a2b2752a1..72349c8fba 100644
--- a/src/client/src/tscSql.c
+++ b/src/client/src/tscSql.c
@@ -205,7 +205,9 @@ TAOS *taos_connect_internal(const char *ip, const char *user, const char *pass,
       } else {
         printf("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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