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between tests added

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bugfixes will follow
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serg@serg.mylan 2003-08-08 18:49:22 +02:00
parent e56383eff2
commit f96d57d302
2 changed files with 45 additions and 0 deletions
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28
mysql-test/r/range.result
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@ -226,3 +226,31 @@ insert into t1 values (0,1,NULL,"aaa"), (1,1,NULL,"aaa"), (2,1,NULL,"aaa"),
select a.id1, b.idnull from t1 as a, t1 as b where a.id2=1 and a.id1=1 and b.id1=a.idnull order by b.id2 desc limit 1; select a.id1, b.idnull from t1 as a, t1 as b where a.id2=1 and a.id1=1 and b.id1=a.idnull order by b.id2 desc limit 1;
id1 idnull id1 idnull
drop table t1; drop table t1;
create table t1 (x int, y int, index(x), index(y));
insert into t1 (x) values (1),(2),(3),(4),(5),(6),(7),(8),(9);
update t1 set y=x;
explain select * from t1, t1 t2 where t1.y = 2 and t2.x between 7 and t1.y+0;
table type possible_keys key key_len ref rows Extra
t1 ref y y 5 const 1 Using where
t2 ALL x NULL NULL NULL 9 Using where
explain select * from t1, t1 t2 where t1.y = 2 and t2.x >= 7 and t2.x <= t1.y+0;
table type possible_keys key key_len ref rows Extra
t1 ref y y 5 const 1 Using where
t2 range x x 5 NULL 4 Using where
explain select * from t1, t1 t2 where t1.y = 2 and t2.x between t1.y-1 and t1.y+1;
table type possible_keys key key_len ref rows Extra
t1 ref y y 5 const 1 Using where
t2 ALL x NULL NULL NULL 9 Using where
explain select * from t1, t1 t2 where t1.y = 2 and t2.x >= t1.y-1 and t2.x <= t1.y+1;
table type possible_keys key key_len ref rows Extra
t1 ref y y 5 const 1 Using where
t2 ALL x NULL NULL NULL 9 Range checked for each record (index map: 1)
explain select * from t1, t1 t2 where t1.y = 2 and t2.x between 0 and t1.y;
table type possible_keys key key_len ref rows Extra
t1 ref y y 5 const 1 Using where
t2 ALL x NULL NULL NULL 9 Using where
explain select * from t1, t1 t2 where t1.y = 2 and t2.x >= 0 and t2.x <= t1.y;
table type possible_keys key key_len ref rows Extra
t1 ref y y 5 const 1 Using where
t2 range x x 5 NULL 2 Using where
drop table t1;

17
mysql-test/t/range.test
View file

@ -183,3 +183,20 @@ insert into t1 values (0,1,NULL,"aaa"), (1,1,NULL,"aaa"), (2,1,NULL,"aaa"),
select a.id1, b.idnull from t1 as a, t1 as b where a.id2=1 and a.id1=1 and b.id1=a.idnull order by b.id2 desc limit 1; select a.id1, b.idnull from t1 as a, t1 as b where a.id2=1 and a.id1=1 and b.id1=a.idnull order by b.id2 desc limit 1;
drop table t1; drop table t1;
#
# BETWEEN problems
#
create table t1 (x int, y int, index(x), index(y));
insert into t1 (x) values (1),(2),(3),(4),(5),(6),(7),(8),(9);
update t1 set y=x;
# between with only one end fixed
explain select * from t1, t1 t2 where t1.y = 2 and t2.x between 7 and t1.y+0;
explain select * from t1, t1 t2 where t1.y = 2 and t2.x >= 7 and t2.x <= t1.y+0;
# between with both expressions on both ends
explain select * from t1, t1 t2 where t1.y = 2 and t2.x between t1.y-1 and t1.y+1;
explain select * from t1, t1 t2 where t1.y = 2 and t2.x >= t1.y-1 and t2.x <= t1.y+1;
# equation propagation
explain select * from t1, t1 t2 where t1.y = 2 and t2.x between 0 and t1.y;
explain select * from t1, t1 t2 where t1.y = 2 and t2.x >= 0 and t2.x <= t1.y;
drop table t1;