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Bug #27531: 5.1 part of the fix

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- Renamed "Using join cache" to "Using join buffer".
- "Using join buffer" is now printed on the last
  table that "reads" from the join buffer cache.
This commit is contained in:
gkodinov/kgeorge@macbook.gmz
2007-05-29 15:58:18 +03:00
parent ad5dede765
commit fe03f6bbe0
31 changed files with 372 additions and 372 deletions
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32
mysql-test/r/range.result
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@@ -220,28 +220,28 @@ 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 = 8 and t2.x between 7 and t1.y+0;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref y y 5 const 1 Using where; Using join cache
1 SIMPLE t2 range x x 5 NULL 2 Using where
1 SIMPLE t1 ref y y 5 const 1 Using where
1 SIMPLE t2 range x x 5 NULL 2 Using where; Using join buffer
explain select * from t1, t1 t2 where t1.y = 8 and t2.x >= 7 and t2.x <= t1.y+0;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref y y 5 const 1 Using where; Using join cache
1 SIMPLE t2 range x x 5 NULL 2 Using where
1 SIMPLE t1 ref y y 5 const 1 Using where
1 SIMPLE t2 range x x 5 NULL 2 Using where; Using join buffer
explain select * from t1, t1 t2 where t1.y = 2 and t2.x between t1.y-1 and t1.y+1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref y y 5 const 1 Using where; Using join cache
1 SIMPLE t2 range x x 5 NULL 3 Using where
1 SIMPLE t1 ref y y 5 const 1 Using where
1 SIMPLE t2 range x x 5 NULL 3 Using where; Using join buffer
explain select * from t1, t1 t2 where t1.y = 2 and t2.x >= t1.y-1 and t2.x <= t1.y+1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref y y 5 const 1 Using where; Using join cache
1 SIMPLE t2 range x x 5 NULL 3 Using where
1 SIMPLE t1 ref y y 5 const 1 Using where
1 SIMPLE t2 range x x 5 NULL 3 Using where; Using join buffer
explain select * from t1, t1 t2 where t1.y = 2 and t2.x between 0 and t1.y;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref y y 5 const 1 Using where; Using join cache
1 SIMPLE t2 range x x 5 NULL 2 Using where
1 SIMPLE t1 ref y y 5 const 1 Using where
1 SIMPLE t2 range x x 5 NULL 2 Using where; Using join buffer
explain select * from t1, t1 t2 where t1.y = 2 and t2.x >= 0 and t2.x <= t1.y;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref y y 5 const 1 Using where; Using join cache
1 SIMPLE t2 range x x 5 NULL 2 Using where
1 SIMPLE t1 ref y y 5 const 1 Using where
1 SIMPLE t2 range x x 5 NULL 2 Using where; Using join buffer
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 ref x x 5 const 1 Using where; Using index
@@ -255,13 +255,13 @@ 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 index; Using join cache
1 SIMPLE t1 index i1 i1 4 NULL 7 Using where; Using index
1 SIMPLE t2 ref j1 j1 4 const 1 Using index
1 SIMPLE t1 index i1 i1 4 NULL 7 Using where; Using index; Using join buffer
explain select * from t1 force index(i1), t2 force index(j1) 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 index; Using join cache
1 SIMPLE t1 index i1 i1 4 NULL 7 Using where; Using index
1 SIMPLE t2 ref j1 j1 4 const 1 Using index
1 SIMPLE t1 index i1 i1 4 NULL 7 Using where; Using index; Using join buffer
DROP TABLE t1,t2;
CREATE TABLE t1 (
a int(11) default NULL,