Commit 301a24e3 authored by unknown's avatar unknown
Browse files

Bug #17896: MIN of CASE WHEN returns non-minimum value! 

- after review fixes


sql/item_cmpfunc.cc:
  Bug #17896: MIN of CASE WHEN returns non-minimum value!
  - after review fixes.
parent f3726418

sql/item_cmpfunc.cc

+5 −1
Original line number Diff line number Diff line
@@ -39,20 +39,24 @@ static void agg_result_type(Item_result *type, Item **items, uint nitems) 
{

  Item **item, **item_end;



  /* Note: NULL items don't affect the result type */

  *type= STRING_RESULT;

  /* Skip beginning NULL items */

  for (item= items, item_end= item + nitems; item < item_end; item++)

  {

    if ((*item)->type() != Item::NULL_ITEM)

    {

      *type= (*item)->result_type();

      item++;

      break;

    }

  }

  /* Combine result types. Note: NULL items don't affect the result */

  for (; item < item_end; item++)

  {

    if ((*item)->type() != Item::NULL_ITEM)

      *type= item_store_type(type[0], (*item)->result_type());

  }

}



static void agg_cmp_type(Item_result *type, Item **items, uint nitems)

{