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Merge spetrunia@bk-internal.mysql.com:/home/bk/mysql-5.1-opt

into  mysql.com:/home/psergey/mysql-5.1-bug22393


mysql-test/t/range.test:
  Auto merged
sql/sql_select.cc:
  Auto merged
mysql-test/r/range.result:
  Manual merge
This commit is contained in:
unknown
2006-09-19 21:14:37 +04:00
3 changed files with 64 additions and 0 deletions

View File

@ -941,3 +941,17 @@ item started price
A1 2005-11-01 08:00:00 1000.000
A1 2005-11-15 00:00:00 2000.000
DROP TABLE t1;
create table t1 (a int);
insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
create table t2 (a int, b int, filler char(100));
insert into t2 select A.a + 10 * (B.a + 10 * C.a), 10, 'filler' from t1 A,
t1 B, t1 C where A.a < 5;
insert into t2 select 1000, b, 'filler' from t2;
alter table t2 add index (a,b);
select 'In following EXPLAIN the access method should be ref, #rows~=500 (and not 2)' Z;
Z
In following EXPLAIN the access method should be ref, #rows~=500 (and not 2)
explain select * from t2 where a=1000 and b<11;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ref a a 5 const 502 Using where
drop table t1, t2;