Date-time fields are disabled currently for the result type of percentile function

sql/item_windowfunc.cc

@@ -176,10 +176,9 @@ bool Item_window_func::check_result_type_of_order_item()
     Item_result rtype= window_spec->order_list->first->item[0]->cmp_type();
     // TODO (varun) : support date type in percentile_cont function 
     if (rtype != REAL_RESULT && rtype != INT_RESULT &&
-        rtype != DECIMAL_RESULT && rtype != TIME_RESULT &&
-        window_func()->sum_func() == Item_sum::PERCENTILE_CONT_FUNC)
+        rtype != DECIMAL_RESULT && rtype != TIME_RESULT)
     {
-      my_error(ER_WRONG_TYPE_FOR_PERCENTILE_CONT, MYF(0));
+      my_error(ER_WRONG_TYPE_FOR_PERCENTILE_FUNC, MYF(0));
       return TRUE;
     }
     setting_handler_for_percentile_functions(rtype);

sql/share/errmsg-utf8.txt

@@ -7788,8 +7788,8 @@ ER_UNKNOWN_COMPRESSION_METHOD
   eng "Unknown compression method: %s"
 ER_NOT_SINGLE_ELEMENT_ORDER_LIST
         eng "Incorrect number of elements in the order list for '%s'"
-ER_WRONG_TYPE_FOR_PERCENTILE_CONT
-        eng "Numeric datatype is required for Percentile_CONT function"
+ER_WRONG_TYPE_FOR_PERCENTILE_FUNC
+        eng "Numeric datatype is required for %s function"
 ER_ARGUMENT_NOT_CONSTANT
         eng "Argument to the percentile functions is not a constant"
 ER_ARGUMENT_OUT_OF_RANGE