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simple subselects ported to new select_lex structures

Browse Source 
include/mysqld_error.h:
  simple subselects
libmysqld/Makefile.am:
  simple subselects
sql/Makefile.am:
  simple subselects
sql/item.h:
  simple subselects
sql/item_strfunc.h:
  simple subselects
sql/share/czech/errmsg.txt:
  simple subselects
sql/share/danish/errmsg.txt:
  simple subselects
sql/share/dutch/errmsg.txt:
  simple subselects
sql/share/english/errmsg.txt:
  simple subselects
sql/share/estonian/errmsg.txt:
  simple subselects
sql/share/french/errmsg.txt:
  simple subselects
sql/share/german/errmsg.txt:
  simple subselects
sql/share/greek/errmsg.txt:
  simple subselects
sql/share/hungarian/errmsg.txt:
  simple subselects
sql/share/italian/errmsg.txt:
  simple subselects
sql/share/japanese/errmsg.txt:
  simple subselects
sql/share/korean/errmsg.txt:
  simple subselects
sql/share/norwegian-ny/errmsg.txt:
  simple subselects
sql/share/norwegian/errmsg.txt:
  simple subselects
sql/share/polish/errmsg.txt:
  simple subselects
sql/share/portuguese/errmsg.txt:
  simple subselects
sql/share/romanian/errmsg.txt:
  simple subselects
sql/share/russian/errmsg.txt:
  simple subselects
sql/share/slovak/errmsg.txt:
  simple subselects
sql/share/spanish/errmsg.txt:
  simple subselects
sql/share/swedish/errmsg.txt:
  simple subselects
sql/share/ukrainian/errmsg.txt:
  simple subselects
sql/sql_class.cc:
  simple subselects
sql/sql_class.h:
  simple subselects
sql/sql_lex.cc:
  simple subselects
sql/sql_select.cc:
  simple subselects
sql/sql_select.h:
  simple subselects
sql/sql_union.cc:
  simple subselects
sql/sql_yacc.yy:
  simple subselects
This commit is contained in:
unknown
2002-05-12 23:46:42 +03:00
parent b69d8dab20
commit 044cbe42ac
40 changed files with 2541 additions and 349 deletions
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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;
}