diff options
author | sergefp@mysql.com <> | 2004-06-22 04:47:28 +0400 |
---|---|---|
committer | sergefp@mysql.com <> | 2004-06-22 04:47:28 +0400 |
commit | f874071a265ae2729a2e8eb26dbfad5516f0880c (patch) | |
tree | b87bd41117f45565a9107145e291d6bd1d0558c6 /mysql-test/r/range.result | |
parent | 7a9f4c6a2abdbe088a4d3740d488da3d8b9b5055 (diff) | |
download | mariadb-git-f874071a265ae2729a2e8eb26dbfad5516f0880c.tar.gz |
Range optimizer fix:
If cost(full_scan_on_shortest_covering_index) < cost(best_range_scan) < cost(full_table_scan)
use full_scan_on_shortest_covering_index
(before this fix best_range_scan was used)
Diffstat (limited to 'mysql-test/r/range.result')
-rw-r--r-- | mysql-test/r/range.result | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/mysql-test/r/range.result b/mysql-test/r/range.result index 290e72d3b55..244dcbd03d4 100644 --- a/mysql-test/r/range.result +++ b/mysql-test/r/range.result @@ -244,10 +244,10 @@ id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 range x x 5 NULL 2 Using where explain select count(*) from t1 where x in (1); id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range x x 5 NULL 1 Using where; Using index +1 SIMPLE t1 index x x 5 NULL 9 Using where; Using index explain select count(*) from t1 where x in (1,2); id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range x x 5 NULL 2 Using where; Using index +1 SIMPLE t1 index x x 5 NULL 9 Using where; Using index drop table t1; CREATE TABLE t1 (key1 int(11) NOT NULL default '0', KEY i1 (key1)); INSERT INTO t1 VALUES (0),(0),(1),(1); @@ -255,7 +255,7 @@ CREATE TABLE t2 (keya int(11) NOT NULL default '0', KEY j1 (keya)); INSERT INTO t2 VALUES (0),(0),(1),(1),(2),(2); explain select * from t1, t2 where (t1.key1 <t2.keya + 1) and t2.keya=3; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 ref j1 j1 4 const 1 Using where; Using index +1 SIMPLE t2 ref j1 j1 4 const 1 Using index 1 SIMPLE t1 ALL i1 NULL NULL NULL 4 Range checked for each record (index map: 0x1) DROP TABLE t1,t2; CREATE TABLE t1 ( |