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Merge olga.mysql.com:/home/igor/mysql-5.0-opt

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into  olga.mysql.com:/home/igor/dev-opt/mysql-5.0-opt-bug26209
This commit is contained in:
igor@olga.mysql.com
2007-02-12 23:10:33 -08:00
parent 30614d22c1 4b1a1d9eb7
commit 0461228a70
3 changed files with 46 additions and 8 deletions
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16
sql/sql_select.cc
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@ -12744,15 +12744,15 @@ SORT_FIELD *make_unireg_sortorder(ORDER *order, uint *length,
for (;order;order=order->next,pos++)
{
pos->field=0; pos->item=0;
if (order->item[0]->type() == Item::FIELD_ITEM)
pos->field= ((Item_field*) (*order->item))->field;
else if (order->item[0]->type() == Item::SUM_FUNC_ITEM &&
!order->item[0]->const_item())
pos->field= ((Item_sum*) order->item[0])->get_tmp_table_field();
else if (order->item[0]->type() == Item::COPY_STR_ITEM)
Item *item= order->item[0]->real_item();
pos->field= 0; pos->item= 0;
if (item->type() == Item::FIELD_ITEM)
pos->field= ((Item_field*) item)->field;
else if (item->type() == Item::SUM_FUNC_ITEM && !item->const_item())
pos->field= ((Item_sum*) item)->get_tmp_table_field();
else if (item->type() == Item::COPY_STR_ITEM)
{ // Blob patch
pos->item= ((Item_copy_string*) (*order->item))->item;
pos->item= ((Item_copy_string*) item)->item;
}
else
pos->item= *order->item;