database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-30 16:24:05 +03:00
Code Activity

simple subselects ported to new select_lex structures

Browse Source
This commit is contained in:
bell@sanja.is.com.ua
2002-05-12 23:46:42 +03:00
parent 4cb3760b44
commit e077890b04
40 changed files with 2541 additions and 349 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
sql/sql_class.cc
View File

@ -774,3 +774,30 @@ bool select_dump::send_eof()
file= -1;
return error;
}
select_subselect::select_subselect(Item_subselect *item)
{
this->item=item;
}
bool select_subselect::send_data(List<Item> &items)
{
if (item->executed){
my_printf_error(ER_SUBSELECT_NO_1_ROW, ER(ER_SUBSELECT_NO_1_ROW), MYF(0));
return 1;
}
Item *val_item= (Item *)item->select_lex->item_list.head();
if ((item->null_value= val_item->is_null()))
{
item->assign_null();
} else {
item->max_length= val_item->max_length;
item->decimals= val_item->decimals;
item->binary= val_item->binary;
val_item->val_str(&item->str_value);
item->int_value= val_item->val_int();
item->real_value= val_item->val();
item->res_type= val_item->result_type();
}
return 0;
}