Merge pull request #7647 from taosdata/fix/TD-6368

fixed TD-6368 with getlast

src/client/src/tscSQLParser.c

@@ -7854,7 +7854,7 @@ int32_t tscGetExprFilters(SSqlCmd* pCmd, SQueryInfo* pQueryInfo, SArray* pSelect
   size_t n = tscNumOfExprs(pQueryInfo);
   *pExpr = tscExprGet(pQueryInfo, (int32_t)n - 1);
 
-  SInternalField* pField = taosArrayGet(pQueryInfo->fieldsInfo.internalField, n - 1);
+  SInternalField* pField = taosArrayGetLast(pQueryInfo->fieldsInfo.internalField);
   pField->visible = false;
 
   return TSDB_CODE_SUCCESS;