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three bug fixes and major code cleanup

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unknown
2003-03-06 17:02:10 +02:00
parent 6f5ea70226
commit 236015ed7a
12 changed files with 76 additions and 51 deletions
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30
sql/sql_select.cc
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@ -182,7 +182,7 @@ int handle_select(THD *thd, LEX *lex, select_result *result)
select_lex->having,
(ORDER*) lex->proc_list.first,
select_lex->options | thd->options,
result, &(lex->unit), &(lex->select_lex), 0, 0);
result, &(lex->unit), &(lex->select_lex), 0);
if (res && result)
result->abort();
@ -268,7 +268,7 @@ JOIN::prepare(Item ***rref_pointer_array,
Item *having_init,
ORDER *proc_param_init, SELECT_LEX *select,
SELECT_LEX_UNIT *unit,
bool fake_select_lex, bool tables_and_fields_initied)
bool tables_and_fields_initied)
{
DBUG_ENTER("JOIN::prepare");
@ -279,8 +279,7 @@ JOIN::prepare(Item ***rref_pointer_array,
proc_param= proc_param_init;
tables_list= tables_init;
select_lex= select;
if (!fake_select_lex)
select_lex->join= this;
select_lex->join= this;
union_part= (unit->first_select()->next_select() != 0);
/* Check that all tables, fields, conds and order are ok */
@ -1261,7 +1260,6 @@ int
JOIN::cleanup(THD *thd)
{
DBUG_ENTER("JOIN::cleanup");
select_lex->join= 0;
if (tmp_join)
@ -1292,15 +1290,14 @@ mysql_select(THD *thd, Item ***rref_pointer_array,
COND *conds, uint og_num, ORDER *order, ORDER *group,
Item *having, ORDER *proc_param, ulong select_options,
select_result *result, SELECT_LEX_UNIT *unit,
SELECT_LEX *select_lex, bool fake_select_lex,
bool tables_and_fields_initied)
SELECT_LEX *select_lex, bool tables_and_fields_initied)
{
int err;
bool free_join= 1;
DBUG_ENTER("mysql_select");
JOIN *join;
if (!fake_select_lex && select_lex->join != 0)
if (select_lex->join != 0)
{
//here is EXPLAIN of subselect or derived table
join= select_lex->join;
@ -1320,8 +1317,7 @@ mysql_select(THD *thd, Item ***rref_pointer_array,
if (join->prepare(rref_pointer_array, tables, wild_num,
conds, og_num, order, group, having, proc_param,
select_lex, unit, fake_select_lex,
tables_and_fields_initied))
select_lex, unit, tables_and_fields_initied))
{
DBUG_RETURN(-1);
}
@ -1350,7 +1346,7 @@ err:
thd->limit_found_rows= curr_join->send_records;
thd->examined_row_count= curr_join->examined_rows;
thd->proc_info="end";
err= (fake_select_lex ? curr_join->error : join->cleanup(thd));
err= join->cleanup(thd);
if (thd->net.report_error)
err= -1;
delete join;
@ -7086,15 +7082,16 @@ find_order_in_list(THD *thd, Item **ref_pointer_array,
TABLE_LIST *tables,ORDER *order, List<Item> &fields,
List<Item> &all_fields)
{
if ((*order->item)->type() == Item::INT_ITEM)
Item *itemptr=*order->item;
if (itemptr->type() == Item::INT_ITEM)
{ /* Order by position */
Item *item=0;
uint count= (uint) ((Item_int*) (*order->item))->value;
uint count= (uint) ((Item_int*)itemptr)->value;
if (count > fields.elements)
{
my_printf_error(ER_BAD_FIELD_ERROR,ER(ER_BAD_FIELD_ERROR),
MYF(0),(*order->item)->full_name(),
MYF(0),itemptr->full_name(),
thd->where);
return 1;
}
@ -7103,8 +7100,7 @@ find_order_in_list(THD *thd, Item **ref_pointer_array,
return 0;
}
uint counter;
Item **item= find_item_in_list(*order->item, fields, &counter,
IGNORE_ERRORS);
Item **item= find_item_in_list(itemptr, fields, &counter, IGNORE_ERRORS);
if (item)
{
order->item= ref_pointer_array + counter;
@ -8103,7 +8099,7 @@ int mysql_explain_select(THD *thd, SELECT_LEX *select_lex, char const *type,
select_lex->having,
(ORDER*) thd->lex.proc_list.first,
select_lex->options | thd->options | SELECT_DESCRIBE,
result, unit, select_lex, 0, 0);
result, unit, select_lex, 0);
DBUG_RETURN(res);
}