[TD-10700]<enhance>: fixed uppercase tag in escape quote issue

src/client/src/tscSql.c

@@ -629,10 +629,6 @@ static bool hasAdditionalErrorInfo(int32_t code, SSqlCmd *pCmd) {
     return false;
   }
 
-  if (pCmd->payload == NULL) {
-    return false;
-  }
-
   size_t len = strlen(pCmd->payload);
 
   char *z = NULL;

tests/pytest/insert/insertJSONPayload.py

@@ -803,6 +803,7 @@ class TDTestCase:
 		"type":	"nchar"
 	    },
 	    "tags":	{
+                "id":   "KEY",
 		"456":	{
 			"value":	true,
 			"type":	"bool"
@@ -837,6 +838,9 @@ class TDTestCase:
         tdSql.query("describe `stable`")
         tdSql.checkRows(8)
 
+        tdSql.query("select * from `key`")
+        tdSql.checkRows(1)
+
 
     def stop(self):
         tdSql.close()

tests/pytest/insert/insertTelnetLines.py

@@ -316,7 +316,7 @@ class TDTestCase:
                         "double 1626006833610ms 2 id=for 456=true int=true double=false into=1 from=2 !@#$.%^&*()=false",
                         "from 1626006833610ms 2 id=!@#.^& 456=true int=true double=false into=1 from=2 !@#$.%^&*()=false",
                         "!@#$.%^&*() 1626006833610ms 2 id=none 456=true int=true double=false into=1 from=2 !@#$.%^&*()=false",
-                        "STABLE 1626006833610ms 2 id=!@#.^& 456=true int=true double=false TAG=1 FROM=2 COLUMN=false",
+                        "STABLE 1626006833610ms 2 id=KEY 456=true int=true double=false TAG=1 FROM=2 COLUMN=false",
                      ]
 
         code = self._conn.schemaless_insert(lines4_1, TDSmlProtocolType.TELNET.value, TDSmlTimestampType.NOT_CONFIGURED.value)
@@ -355,6 +355,9 @@ class TDTestCase:
         tdSql.query('select * from `none`')
         tdSql.checkRows(1)
 
+        tdSql.query('select * from `key`')
+        tdSql.checkRows(1)
+
     def stop(self):
         tdSql.close()
         tdLog.success("%s successfully executed" % __file__)