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opt_range.cc, range.result, range.test:

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Bug #6045: Binary Comparison regression in MySQL 4.1
  Binary searches didn't use a case insensitive index, now they do.
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bar@mysql.com
2004-11-03 15:22:33 +04:00
parent 4650f0acab
commit 45451568bf
3 changed files with 42 additions and 3 deletions
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16
mysql-test/r/range.result
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@ -561,3 +561,19 @@ select count(*) from t1 where x = 18446744073709551601;
count(*)
1
drop table t1;
set names latin1;
create table t1 (a char(10), b text, key (a)) character set latin1;
INSERT INTO t1 (a) VALUES
('111'),('222'),('222'),('222'),('222'),('444'),('aaa'),('AAA'),('bbb');
explain select * from t1 where a='aaa';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref a a 11 const 2 Using where
explain select * from t1 where a=binary 'aaa';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range a a 11 NULL 2 Using where
explain select * from t1 where a='aaa' collate latin1_bin;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range a a 11 NULL 2 Using where
explain select * from t1 where a='aaa' collate latin1_german1_ci;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL a NULL NULL NULL 9 Using where