fix: 2.6 version response format (#683)

* fix: 2.6 version response format

* fix: support -y option compatibioty 2.6

* fix: taodump remove -y option

src/benchUtil.c

@@ -665,6 +665,14 @@ int postProceSql(char *sqlstr, char* dbName, int precision, int iface,
                                 rest_port,
                                 tcp, sockfd, filePath, responseBuf,
                                 response_length);
+    // compatibility 2.6
+    if (-1 == g_arguments->rest_server_ver_major) {
+        // confirm version is 2.x according to "succ"
+        if (NULL != strstr(responseBuf, succMessage) && iface == REST_IFACE) {
+            g_arguments->rest_server_ver_major = 2;
+        }
+    }
+
     if (NULL != strstr(responseBuf, resHttpOk) && iface == REST_IFACE) {
         // if taosd is not starting , rest_server_ver_major can't be got by 'select server_version()' , so is -1
         if (-1 == g_arguments->rest_server_ver_major || 3 <= g_arguments->rest_server_ver_major) {

src/taosdump.c

@@ -451,8 +451,6 @@ static struct argp_option options[] = {
     {"schemaonly", 's', 0, 0,  "Only dump table schemas.", 2},
     {"without-property", 'N', 0, 0,
         "Dump database without its properties.", 2},
-    {"answer-yes", 'y', 0, 0,
-        "Input yes for prompt. It will skip data file checking!", 3},
     {"avro-codec", 'd', "snappy", 0,
         "Choose an avro codec among null, deflate, snappy, and lzma.", 4},
     {"start-time",    'S', "START_TIME",  0,
@@ -904,17 +902,9 @@ static error_t parse_opt(int key, char *arg, struct argp_state *state) {
             break;
 
         case 'E':
-            break;
-
         case 's':
-            break;
-
         case 'L':
-            break;
-
         case 'I':
-            break;
-
         case 'n':
             break;