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SELECT ... INTO local_vars ...;

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For Stored Procedures
This commit is contained in:
Sinisa@sinisa.nasamreza.org
2003-01-18 18:21:13 +02:00
parent 4b0adb203b
commit e6b8fa5707
5 changed files with 105 additions and 12 deletions
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51
sql/sql_class.cc
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@ -36,6 +36,7 @@
#endif
#include <mysys_err.h>
#include <assert.h>
#include <sp_rcontext.h>
/*****************************************************************************
@ -960,37 +961,71 @@ bool select_exists_subselect::send_data(List<Item> &items)
int select_dumpvar::prepare(List<Item> &list, SELECT_LEX_UNIT *u)
{
List_iterator_fast<Item> li(list);
List_iterator_fast<LEX_STRING> gl(var_list);
List_iterator_fast<my_var> gl(var_list);
Item *item;
my_var *mv;
LEX_STRING *ls;
if (var_list.elements != list.elements)
{
my_error(ER_WRONG_NUMBER_OF_COLUMNS_IN_SELECT, MYF(0));
return 1;
}
unit=u;
while ((item=li++))
{
ls= gl++;
Item_func_set_user_var *xx = new Item_func_set_user_var(*ls,item);
xx->fix_fields(current_thd,(TABLE_LIST*) current_thd->lex.select_lex.table_list.first,&item);
xx->fix_length_and_dec();
vars.push_back(xx);
mv=gl++;
ls= &mv->s;
if (mv->local)
{
(void)local_vars.push_back(new Item_splocal(mv->offset));
}
else
{
Item_func_set_user_var *xx = new Item_func_set_user_var(*ls,item);
xx->fix_fields(thd,(TABLE_LIST*) thd->lex.select_lex.table_list.first,&item);
xx->fix_length_and_dec();
vars.push_back(xx);
}
}
return 0;
}
bool select_dumpvar::send_data(List<Item> &items)
{
List_iterator_fast<Item_func_set_user_var> li(vars);
List_iterator_fast<Item_splocal> var_li(local_vars);
List_iterator_fast<my_var> my_li(var_list);
List_iterator_fast<Item> it(items);
Item_func_set_user_var *xx;
Item_splocal *yy;
Item *item;
my_var *zz;
DBUG_ENTER("send_data");
if (unit->offset_limit_cnt)
{ // using limit offset,count
unit->offset_limit_cnt--;
DBUG_RETURN(0);
}
if (row_count++)
{
my_error(ER_TOO_MANY_ROWS, MYF(0));
DBUG_RETURN(1);
}
while ((xx=li++))
xx->update();
while ((zz=my_li++) && (item=it++))
{
if (zz->local)
{
if ((yy=var_li++))
{
thd->spcont->set_item(yy->get_offset(), item);
}
}
else
{
if ((xx=li++))
xx->update();
}
}
DBUG_RETURN(0);
}