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Merge gkodinov@bk-internal.mysql.com:/home/bk/mysql-5.0-opt

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into  rakia.gmz:/home/kgeorge/mysql/autopush/B19717-5.0-opt
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gkodinov/kgeorge@rakia.gmz 2007-02-19 15:45:01 +02:00
commit 90a6925546
13 changed files with 295 additions and 16 deletions
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2
mysql-test/r/bdb.result
View File

@ -1442,7 +1442,7 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref c c 11 const # Using where
explain select count(*) from t1 where t='a ';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range t t 13 NULL # Using where
1 SIMPLE t1 ref t t 13 const # Using where
explain select count(*) from t1 where v like 'a%';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range v v 13 NULL # Using where

2
mysql-test/r/endspace.result
View File

@ -98,7 +98,7 @@ concat('|', text1, '|')
|teststring |
explain select concat('|', text1, '|') from t1 where text1='teststring ';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range key1 key1 22 NULL 2 Using where
1 SIMPLE t1 ref key1 key1 22 const 2 Using where
select concat('|', text1, '|') from t1 where text1 like 'teststring_%';
concat('|', text1, '|')
|teststring |

2
mysql-test/r/innodb.result
View File

@ -1991,7 +1991,7 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref c c 11 const # Using where; Using index
explain select count(*) from t1 where t='a ';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range t t 13 NULL # Using where
1 SIMPLE t1 ref t t 13 const # Using where
explain select count(*) from t1 where v like 'a%';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range v v 13 NULL # Using where; Using index

13
mysql-test/r/insert_select.result
View File

@ -731,3 +731,16 @@ select @@identity;
@@identity
0
drop table t1;
CREATE TABLE t1 (f1 INT, f2 INT );
CREATE TABLE t2 (f1 INT PRIMARY KEY, f2 INT);
INSERT INTO t1 VALUES (1,1),(2,2),(10,10);
INSERT INTO t2 (f1, f2) SELECT f1, f2 FROM t1;
INSERT INTO t2 (f1, f2)
SELECT f1, f1 FROM t2 src WHERE f1 < 2
ON DUPLICATE KEY UPDATE f1 = 100 + src.f1;
SELECT * FROM t2;
f1 f2
101 1
2 2
10 10
DROP TABLE t1, t2;

2
mysql-test/r/myisam.result
View File

@ -1071,7 +1071,7 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref c c 11 const # Using where; Using index
explain select count(*) from t1 where t='a ';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range t t 13 NULL # Using where
1 SIMPLE t1 ref t t 13 const # Using where
explain select count(*) from t1 where v like 'a%';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range v v 13 NULL # Using where; Using index

148
mysql-test/r/select.result
View File

@ -3785,4 +3785,152 @@ case when 1 then cast(1111111111111111111 as unsigned) else 1 end c,
coalesce(cast(1111111111111111111 as unsigned), 1) co;
i c co
1111111111111111111 1111111111111111111 1111111111111111111
CREATE TABLE t1 (name varchar(255));
CREATE TABLE t2 (name varchar(255), n int, KEY (name(3)));
INSERT INTO t1 VALUES ('ccc'), ('bb'), ('cc '), ('aa '), ('aa');
INSERT INTO t2 VALUES ('bb',1), ('aa',2), ('cc ',3);
INSERT INTO t2 VALUES (concat('cc ', 0x06), 4);
INSERT INTO t2 VALUES ('cc',5), ('bb ',6), ('cc ',7);
SELECT * FROM t2;
name n
bb 1
aa 2
cc 3
cc  4
cc 5
bb 6
cc 7
SELECT * FROM t2 ORDER BY name;
name n
aa 2
bb 1
bb 6
cc  4
cc 3
cc 5
cc 7
SELECT name, LENGTH(name), n FROM t2 ORDER BY name;
name LENGTH(name) n
aa 2 2
bb 2 1
bb 3 6
cc  4 4
cc 5 3
cc 2 5
cc 3 7
EXPLAIN SELECT name, LENGTH(name), n FROM t2 WHERE name='cc ';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ref name name 6 const 3 Using where
SELECT name, LENGTH(name), n FROM t2 WHERE name='cc ';
name LENGTH(name) n
cc 5 3
cc 2 5
cc 3 7
EXPLAIN SELECT name , LENGTH(name), n FROM t2 WHERE name LIKE 'cc%';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 range name name 6 NULL 3 Using where
SELECT name , LENGTH(name), n FROM t2 WHERE name LIKE 'cc%';
name LENGTH(name) n
cc 5 3
cc  4 4
cc 2 5
cc 3 7
EXPLAIN SELECT name , LENGTH(name), n FROM t2 WHERE name LIKE 'cc%' ORDER BY name;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 range name name 6 NULL 3 Using where; Using filesort
SELECT name , LENGTH(name), n FROM t2 WHERE name LIKE 'cc%' ORDER BY name;
name LENGTH(name) n
cc  4 4
cc 5 3
cc 2 5
cc 3 7
EXPLAIN SELECT * FROM t1 LEFT JOIN t2 ON t1.name=t2.name;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 5
1 SIMPLE t2 ref name name 6 test.t1.name 2
SELECT * FROM t1 LEFT JOIN t2 ON t1.name=t2.name;
name name n
ccc NULL NULL
bb bb 1
bb bb 6
cc cc 3
cc cc 5
cc cc 7
aa aa 2
aa aa 2
DROP TABLE t1,t2;
CREATE TABLE t1 (name text);
CREATE TABLE t2 (name text, n int, KEY (name(3)));
INSERT INTO t1 VALUES ('ccc'), ('bb'), ('cc '), ('aa '), ('aa');
INSERT INTO t2 VALUES ('bb',1), ('aa',2), ('cc ',3);
INSERT INTO t2 VALUES (concat('cc ', 0x06), 4);
INSERT INTO t2 VALUES ('cc',5), ('bb ',6), ('cc ',7);
SELECT * FROM t2;
name n
bb 1
aa 2
cc 3
cc  4
cc 5
bb 6
cc 7
SELECT * FROM t2 ORDER BY name;
name n
aa 2
bb 1
bb 6
cc  4
cc 3
cc 5
cc 7
SELECT name, LENGTH(name), n FROM t2 ORDER BY name;
name LENGTH(name) n
aa 2 2
bb 2 1
bb 3 6
cc  4 4
cc 5 3
cc 2 5
cc 3 7
EXPLAIN SELECT name, LENGTH(name), n FROM t2 WHERE name='cc ';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ref name name 6 const 3 Using where
SELECT name, LENGTH(name), n FROM t2 WHERE name='cc ';
name LENGTH(name) n
cc 5 3
cc 2 5
cc 3 7
EXPLAIN SELECT name , LENGTH(name), n FROM t2 WHERE name LIKE 'cc%';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 range name name 6 NULL 3 Using where
SELECT name , LENGTH(name), n FROM t2 WHERE name LIKE 'cc%';
name LENGTH(name) n
cc 5 3
cc  4 4
cc 2 5
cc 3 7
EXPLAIN SELECT name , LENGTH(name), n FROM t2 WHERE name LIKE 'cc%' ORDER BY name;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 range name name 6 NULL 3 Using where; Using filesort
SELECT name , LENGTH(name), n FROM t2 WHERE name LIKE 'cc%' ORDER BY name;
name LENGTH(name) n
cc  4 4
cc 5 3
cc 2 5
cc 3 7
EXPLAIN SELECT * FROM t1 LEFT JOIN t2 ON t1.name=t2.name;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 5
1 SIMPLE t2 ref name name 6 test.t1.name 2
SELECT * FROM t1 LEFT JOIN t2 ON t1.name=t2.name;
name name n
ccc NULL NULL
bb bb 1
bb bb 6
cc cc 3
cc cc 5
cc cc 7
aa aa 2
aa aa 2
DROP TABLE t1,t2;
End of 5.0 tests

4
mysql-test/r/type_blob.result
View File

@ -610,12 +610,12 @@ create table t1 (id integer primary key auto_increment, txt text, index txt_inde
insert into t1 (txt) values ('Chevy'), ('Chevy '), (NULL);
select * from t1 where txt='Chevy' or txt is NULL;
id txt
3 NULL
1 Chevy
2 Chevy
3 NULL
explain select * from t1 where txt='Chevy' or txt is NULL;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range txt_index txt_index 23 NULL 2 Using where
1 SIMPLE t1 ref_or_null txt_index txt_index 23 const 2 Using where
select * from t1 where txt='Chevy ';
id txt
1 Chevy

15
mysql-test/t/insert_select.test
View File

@ -292,3 +292,18 @@ select @@identity;
insert ignore t1(f2) select 1;
select @@identity;
drop table t1;
#
# Bug#16630: wrong result, when INSERT t1 SELECT ... FROM t1 ON DUPLICATE
#
CREATE TABLE t1 (f1 INT, f2 INT );
CREATE TABLE t2 (f1 INT PRIMARY KEY, f2 INT);
INSERT INTO t1 VALUES (1,1),(2,2),(10,10);
INSERT INTO t2 (f1, f2) SELECT f1, f2 FROM t1;
INSERT INTO t2 (f1, f2)
SELECT f1, f1 FROM t2 src WHERE f1 < 2
ON DUPLICATE KEY UPDATE f1 = 100 + src.f1;
SELECT * FROM t2;
DROP TABLE t1, t2;

46
mysql-test/t/select.test
View File

@ -3253,4 +3253,50 @@ select
case when 1 then cast(1111111111111111111 as unsigned) else 1 end c,
coalesce(cast(1111111111111111111 as unsigned), 1) co;
#
# Bug #22971: indexes on text columns are ignored for ref accesses
#
CREATE TABLE t1 (name varchar(255));
CREATE TABLE t2 (name varchar(255), n int, KEY (name(3)));
INSERT INTO t1 VALUES ('ccc'), ('bb'), ('cc '), ('aa '), ('aa');
INSERT INTO t2 VALUES ('bb',1), ('aa',2), ('cc ',3);
INSERT INTO t2 VALUES (concat('cc ', 0x06), 4);
INSERT INTO t2 VALUES ('cc',5), ('bb ',6), ('cc ',7);
SELECT * FROM t2;
SELECT * FROM t2 ORDER BY name;
SELECT name, LENGTH(name), n FROM t2 ORDER BY name;
EXPLAIN SELECT name, LENGTH(name), n FROM t2 WHERE name='cc ';
SELECT name, LENGTH(name), n FROM t2 WHERE name='cc ';
EXPLAIN SELECT name , LENGTH(name), n FROM t2 WHERE name LIKE 'cc%';
SELECT name , LENGTH(name), n FROM t2 WHERE name LIKE 'cc%';
EXPLAIN SELECT name , LENGTH(name), n FROM t2 WHERE name LIKE 'cc%' ORDER BY name;
SELECT name , LENGTH(name), n FROM t2 WHERE name LIKE 'cc%' ORDER BY name;
EXPLAIN SELECT * FROM t1 LEFT JOIN t2 ON t1.name=t2.name;
SELECT * FROM t1 LEFT JOIN t2 ON t1.name=t2.name;
DROP TABLE t1,t2;
CREATE TABLE t1 (name text);
CREATE TABLE t2 (name text, n int, KEY (name(3)));
INSERT INTO t1 VALUES ('ccc'), ('bb'), ('cc '), ('aa '), ('aa');
INSERT INTO t2 VALUES ('bb',1), ('aa',2), ('cc ',3);
INSERT INTO t2 VALUES (concat('cc ', 0x06), 4);
INSERT INTO t2 VALUES ('cc',5), ('bb ',6), ('cc ',7);
SELECT * FROM t2;
SELECT * FROM t2 ORDER BY name;
SELECT name, LENGTH(name), n FROM t2 ORDER BY name;
EXPLAIN SELECT name, LENGTH(name), n FROM t2 WHERE name='cc ';
SELECT name, LENGTH(name), n FROM t2 WHERE name='cc ';
EXPLAIN SELECT name , LENGTH(name), n FROM t2 WHERE name LIKE 'cc%';
SELECT name , LENGTH(name), n FROM t2 WHERE name LIKE 'cc%';
EXPLAIN SELECT name , LENGTH(name), n FROM t2 WHERE name LIKE 'cc%' ORDER BY name;
SELECT name , LENGTH(name), n FROM t2 WHERE name LIKE 'cc%' ORDER BY name;
EXPLAIN SELECT * FROM t1 LEFT JOIN t2 ON t1.name=t2.name;
SELECT * FROM t1 LEFT JOIN t2 ON t1.name=t2.name;
DROP TABLE t1,t2;
--echo End of 5.0 tests

45
sql/item.cc
View File

@ -4809,6 +4809,51 @@ void Item_field::update_null_value()
}
/*
Add the field to the select list and substitute it for the reference to
the field.
SYNOPSIS
Item_field::update_value_transformer()
select_arg current select
DESCRIPTION
If the field doesn't belong to the table being inserted into then it is
added to the select list, pointer to it is stored in the ref_pointer_array
of the select and the field itself is substituted for the Item_ref object.
This is done in order to get correct values from update fields that
belongs to the SELECT part in the INSERT .. SELECT .. ON DUPLICATE KEY
UPDATE statement.
RETURN
0 if error occured
ref if all conditions are met
this field otherwise
*/
Item *Item_field::update_value_transformer(byte *select_arg)
{
SELECT_LEX *select= (SELECT_LEX*)select_arg;
DBUG_ASSERT(fixed);
if (field->table != select->context.table_list->table &&
type() != Item::TRIGGER_FIELD_ITEM)
{
List<Item> *all_fields= &select->join->all_fields;
Item **ref_pointer_array= select->ref_pointer_array;
int el= all_fields->elements;
Item_ref *ref;
ref_pointer_array[el]= (Item*)this;
all_fields->push_front((Item*)this);
ref= new Item_ref(&select->context, ref_pointer_array + el,
table_name, field_name);
return ref;
}
return this;
}
Item_ref::Item_ref(Name_resolution_context *context_arg,
Item **item, const char *table_name_arg,
const char *field_name_arg)

2
sql/item.h
View File

@ -817,6 +817,7 @@ public:
virtual Item_field *filed_for_view_update() { return 0; }
virtual Item *neg_transformer(THD *thd) { return NULL; }
virtual Item *update_value_transformer(byte *select_arg) { return this; }
virtual Item *safe_charset_converter(CHARSET_INFO *tocs);
void delete_self()
{
@ -1295,6 +1296,7 @@ public:
Item_field *filed_for_view_update() { return this; }
Item *safe_charset_converter(CHARSET_INFO *tocs);
int fix_outer_field(THD *thd, Field **field, Item **reference);
virtual Item *update_value_transformer(byte *select_arg);
friend class Item_default_value;
friend class Item_insert_value;
friend class st_select_lex_unit;

16
sql/sql_insert.cc
View File

@ -2388,7 +2388,23 @@ select_insert::prepare(List<Item> &values, SELECT_LEX_UNIT *u)
next_name_resolution_table= ctx_state.save_next_local;
}
res= res || setup_fields(thd, 0, *info.update_values, 1, 0, 0);
if (!res)
{
/*
Traverse the update values list and substitute fields from the
select for references (Item_ref objects) to them. This is done in
order to get correct values from those fields when the select
employs a temporary table.
*/
List_iterator<Item> li(*info.update_values);
Item *item;
while ((item= li++))
{
item->transform(&Item::update_value_transformer,
(byte*)lex->current_select);
}
}
/* Restore the current context. */
ctx_state.restore_state(context, table_list);
}

14
sql/sql_select.cc
View File

@ -482,6 +482,9 @@ JOIN::prepare(Item ***rref_pointer_array,
}
}
if (!procedure && result && result->prepare(fields_list, unit_arg))
goto err; /* purecov: inspected */
/* Init join struct */
count_field_types(&tmp_table_param, all_fields, 0);
ref_pointer_array_size= all_fields.elements*sizeof(Item*);
@ -495,9 +498,6 @@ JOIN::prepare(Item ***rref_pointer_array,
goto err;
}
#endif
if (!procedure && result && result->prepare(fields_list, unit_arg))
goto err; /* purecov: inspected */
if (select_lex->olap == ROLLUP_TYPE && rollup_init())
goto err;
if (alloc_func_list())
@ -2854,15 +2854,9 @@ add_key_field(KEY_FIELD **key_fields,uint and_level, Item_func *cond,
/*
We can't use indexes if the effective collation
of the operation differ from the field collation.
We also cannot use index on a text column, as the column may
contain 'x' 'x\t' 'x ' and 'read_next_same' will stop after
'x' when searching for WHERE col='x '
*/
if (field->cmp_type() == STRING_RESULT &&
(((Field_str*)field)->charset() != cond->compare_collation() ||
((*value)->type() != Item::NULL_ITEM &&
(field->flags & BLOB_FLAG) && !field->binary())))
((Field_str*)field)->charset() != cond->compare_collation())
return;
}
}