fix: table name which is a key word led to a crash

src/client/src/tscSQLParser.c

@@ -1511,6 +1511,7 @@ int32_t tscSetTableFullName(SName* pName, SStrToken* pTableName, SSqlObj* pSql,
   const char* msg4 = "db name too long";
   const char* msg5 = "table name too long";
   const char* msg6 = "table name empty";
+  const char* msg7 = "invalid table name";
 
   SSqlCmd* pCmd = &pSql->cmd;
   int32_t  code = TSDB_CODE_SUCCESS;
@@ -1575,6 +1576,15 @@ int32_t tscSetTableFullName(SName* pName, SStrToken* pTableName, SSqlObj* pSql,
     }
   }
 
+  if (code != 0) {
+    return code;
+  }
+
+  bool ret = taosIsKeyWordToken(pName->tname, (int32_t) strlen(pName->tname));
+  if (ret) {
+    code = invalidOperationMsg(tscGetErrorMsgPayload(pCmd), msg7);
+  }
+
   return code;
 }
 

src/client/src/tscUtil.c

@@ -3014,6 +3014,10 @@ int32_t tscValidateName(SStrToken* pToken, bool escapeEnabled, bool *dbIncluded)
 
       // single token, validate it
       if (len == pToken->n) {
+        if (strncmp(pToken->z, "string", len) == 0) {
+          return TSDB_CODE_SUCCESS;
+        }
+
         return validateQuoteToken(pToken, escapeEnabled, NULL);
       } else {
         sep = strnchr(pToken->z, TS_PATH_DELIMITER[0], pToken->n, true);