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Merge sanja.is.com.ua:/home/bell/mysql/bk/mysql-4.1

Browse source 
into sanja.is.com.ua:/home/bell/mysql/bk/work-sum-4.1


sql/item.cc:
  Auto merged
sql/sql_base.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
This commit is contained in:
unknown 2004-09-16 16:24:46 +03:00
commit 3b4c38336d
6 changed files with 24 additions and 12 deletions
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10
mysql-test/r/subselect.result
View file

@ -1966,5 +1966,13 @@ howmanyvalues mycount
3 3
4 4
SELECT a.howmanyvalues, (SELECT count(*) from t1 b where b.howmanyvalues = a.avalue) as mycount from t1 a group by a.howmanyvalues;
ERROR 42S22: Unknown column 'a.avalue' in 'where clause'
howmanyvalues mycount
1 1
2 1
3 1
4 1
drop table t1;
create table t1 (x int);
select (select b.x from t1 as b where b.x=a.x) from t1 as a where a.x=2 group by a.x;
(select b.x from t1 as b where b.x=a.x)
drop table t1;

5
mysql-test/t/subselect.test
View file

@ -1264,6 +1264,9 @@ SELECT a.howmanyvalues, (SELECT count(*) from t1 b where b.howmanyvalues = a.how
CREATE INDEX t1_howmanyvalues_idx ON t1 (howmanyvalues);
SELECT a.howmanyvalues, (SELECT count(*) from t1 b where b.howmanyvalues+1 = a.howmanyvalues+1) as mycount from t1 a group by a.howmanyvalues;
SELECT a.howmanyvalues, (SELECT count(*) from t1 b where b.howmanyvalues = a.howmanyvalues) as mycount from t1 a group by a.howmanyvalues;
-- error 1054
SELECT a.howmanyvalues, (SELECT count(*) from t1 b where b.howmanyvalues = a.avalue) as mycount from t1 a group by a.howmanyvalues;
drop table t1;
create table t1 (x int);
select (select b.x from t1 as b where b.x=a.x) from t1 as a where a.x=2 group by a.x;
drop table t1;

10
sql/item.cc
View file

@ -1271,11 +1271,10 @@ bool Item_field::fix_fields(THD *thd, TABLE_LIST *tables, Item **ref)
prev_subselect_item->parsing_place;
/*
check table fields only if subquery used somewhere out of HAVING
or SELECT list or outer SELECT do not use groupping (i.e. tables
are accessable)
or outer SELECT do not use groupping (i.e. tables are
accessable)
*/
if (((place != IN_HAVING &&
place != SELECT_LIST) ||
if ((place != IN_HAVING ||
(sl->with_sum_func == 0 && sl->group_list.elements == 0)) &&
(tmp= find_field_in_tables(thd, this,
table_list, &where,
@ -1954,8 +1953,7 @@ bool Item_ref::fix_fields(THD *thd,TABLE_LIST *tables, Item **reference)
or SELECT list or outer SELECT do not use groupping (i.e. tables
are accessable)
*/
if (((place != IN_HAVING &&
place != SELECT_LIST) ||
if ((place != IN_HAVING ||
(sl->with_sum_func == 0 && sl->group_list.elements == 0)) &&
(tmp= find_field_in_tables(thd, this,
table_list, &where,

3
sql/item_subselect.cc
View file

@ -934,9 +934,6 @@ Item_in_subselect::row_value_transformer(JOIN *join)
}
select_lex->uncacheable|= UNCACHEABLE_DEPENDENT;
select_lex->setup_ref_array(thd,
select_lex->order_list.elements +
select_lex->group_list.elements);
{
uint n= left_expr->cols();
List_iterator_fast<Item> li(select_lex->item_list);

6
sql/sql_base.cc
View file

@ -2142,8 +2142,12 @@ find_item_in_list(Item *find, List<Item> &items, uint *counter,
case sensitive.
In cases where they are not case sensitive, they are always in lower
case.
item_field->field_name and item_field->table_name can be 0x0 if
item is not fix fielded yet.
*/
if (!my_strcasecmp(system_charset_info, item_field->field_name,
if (item_field->field_name && item_field->table_name &&
!my_strcasecmp(system_charset_info, item_field->field_name,
field_name) &&
!strcmp(item_field->table_name, table_name) &&
(!db_name || (item_field->db_name &&

2
sql/sql_select.cc
View file

@ -8465,6 +8465,8 @@ setup_copy_fields(THD *thd, TMP_TABLE_PARAM *param,
}
}
else if ((pos->type() == Item::FUNC_ITEM ||
pos->type() == Item::SUBSELECT_ITEM ||
pos->type() == Item::CACHE_ITEM ||
pos->type() == Item::COND_ITEM) &&
!pos->with_sum_func)
{ // Save for send fields