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Merge tulin@bk-internal.mysql.com:/home/bk/mysql-4.1

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into poseidon.ndb.mysql.com:/home/tomas/mysql-5.0
This commit is contained in:
tomas@poseidon.ndb.mysql.com 2005-02-17 10:45:40 +01:00
commit 9e4ed03cc9
3 changed files with 42 additions and 1 deletions
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22
mysql-test/r/select.result
View file

@ -2401,3 +2401,25 @@ 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 a a 23 test.t1.a 2
DROP TABLE t1, t2;
CREATE TABLE t1 ( city char(30) );
INSERT INTO t1 VALUES ('London');
INSERT INTO t1 VALUES ('Paris');
SELECT * FROM t1 WHERE city='London';
city
London
SELECT * FROM t1 WHERE city='london';
city
London
EXPLAIN SELECT * FROM t1 WHERE city='London' AND city='london';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where
SELECT * FROM t1 WHERE city='London' AND city='london';
city
London
EXPLAIN SELECT * FROM t1 WHERE city LIKE '%london%' AND city='London';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where
SELECT * FROM t1 WHERE city LIKE '%london%' AND city='London';
city
London
DROP TABLE t1;

19
mysql-test/t/select.test
View file

@ -1985,3 +1985,22 @@ EXPLAIN SELECT * FROM t1 LEFT JOIN t2 USE INDEX (a) ON t1.a=t2.a;
EXPLAIN SELECT * FROM t1 LEFT JOIN t2 FORCE INDEX (a) ON t1.a=t2.a;
DROP TABLE t1, t2;
#
# Test case for bug 7098: substitution of a constant for a string field
#
CREATE TABLE t1 ( city char(30) );
INSERT INTO t1 VALUES ('London');
INSERT INTO t1 VALUES ('Paris');
SELECT * FROM t1 WHERE city='London';
SELECT * FROM t1 WHERE city='london';
EXPLAIN SELECT * FROM t1 WHERE city='London' AND city='london';
SELECT * FROM t1 WHERE city='London' AND city='london';
EXPLAIN SELECT * FROM t1 WHERE city LIKE '%london%' AND city='London';
SELECT * FROM t1 WHERE city LIKE '%london%' AND city='London';
DROP TABLE t1;

2
sql/item.h
View file

@ -985,7 +985,7 @@ public:
Item *new_item()
{
return new Item_string(name, str_value.ptr(),
str_value.length(), &my_charset_bin);
str_value.length(), collation.collation);
}
Item *safe_charset_converter(CHARSET_INFO *tocs);
String *const_string() { return &str_value; }