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Merge bk-internal.mysql.com:/home/bk/mysql-4.1/

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into serg.mylan:/usr/home/serg/Abk/mysql-4.1


sql/sql_select.cc:
  Auto merged
This commit is contained in:
unknown
2004-08-23 11:15:44 +02:00
parent 1ffda90b83 e66e0c1a04
commit 40f282d593
2 changed files with 14 additions and 12 deletions
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3
sql/item_sum.cc
View File

@ -159,10 +159,7 @@ Item *Item_sum::get_tmp_table_item(THD *thd)
if (!arg->const_item())
{
if (arg->type() == Item::FIELD_ITEM)
{
arg->maybe_null= result_field_tmp->maybe_null();
((Item_field*) arg)->field= result_field_tmp++;
}
else
sum_item->args[i]= new Item_field(result_field_tmp++);
}

13
sql/sql_select.cc
View File

@ -5005,16 +5005,21 @@ create_tmp_table(THD *thd,TMP_TABLE_PARAM *param,List<Item> &fields,
tmp_from_field++;
*(reg_field++)= new_field;
reclength+=new_field->pack_length();
if (!(new_field->flags & NOT_NULL_FLAG))
null_count++;
if (new_field->flags & BLOB_FLAG)
{
*blob_field++= new_field;
blob_count++;
}
((Item_sum*) item)->args[i]= new Item_field(new_field);
if (((Item_sum*) item)->arg_count == 1)
((Item_sum*) item)->result_field= new_field;
if (!(new_field->flags & NOT_NULL_FLAG))
{
null_count++;
/*
new_field->maybe_null() is still false, it will be
changed below. But we have to setup Item_field correctly
*/
((Item_sum*) item)->args[i]->maybe_null=1;
}
}
}
}