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serg@serg.mylan
2005-09-21 13:53:22 +02:00
19 changed files with 508 additions and 28 deletions

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@ -1730,6 +1730,15 @@ explain select * from t1 order by a,b,c,d;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using filesort
drop table t1;
create table t1 (a char(1), b char(1), key(a, b)) engine=innodb;
insert into t1 values ('8', '6'), ('4', '7');
select min(a) from t1;
min(a)
4
select min(b) from t1 where a='8';
min(b)
6
drop table t1;
create table t1 (x bigint unsigned not null primary key) engine=innodb;
insert into t1(x) values (0xfffffffffffffff0),(0xfffffffffffffff1);
select * from t1;