Merge pull request #11414 from taosdata/fix/TS-1409

fix(shell): print taos_connect failed reason befor exiting

src/client/src/tscSql.c

@@ -224,6 +224,8 @@ TAOS *taos_connect_internal(const char *ip, const char *user, const char *pass,
     }
   }
 
+  printf("connect failed, reason: %s\n\n", taos_errstr(pSql));
+
   return NULL;
 }
 

src/kit/shell/src/shellEngine.c

@@ -87,7 +87,6 @@ TAOS *shellInit(SShellArguments *_args) {
   }
 
   if (con == NULL) {
-    printf("\033[31mfailed to connect to db, reason:%s\033[0m\n", taos_errstr(con));
     fflush(stdout);
     return con;
   }