diff options
Diffstat (limited to 'mysql-test/r/heap_hash.result')
| -rw-r--r-- | mysql-test/r/heap_hash.result | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/mysql-test/r/heap_hash.result b/mysql-test/r/heap_hash.result index 9b7f2cca6bc..4dd79e5c52b 100644 --- a/mysql-test/r/heap_hash.result +++ b/mysql-test/r/heap_hash.result @@ -65,8 +65,8 @@ a 869751 alter table t1 type=myisam; explain select * from t1 where a in (869751,736494,226312,802616); -table type possible_keys key key_len ref rows Extra -t1 range uniq_id uniq_id 4 NULL 4 where used; Using index +id select_type table type possible_keys key key_len ref rows Extra +1 FIRST t1 range uniq_id uniq_id 4 NULL 4 where used; Using index drop table t1; create table t1 (x int not null, y int not null, key x using HASH (x), unique y using HASH (y)) type=heap; @@ -84,9 +84,9 @@ x y x y 2 5 2 2 2 6 2 2 explain select * from t1,t1 as t2 where t1.x=t2.y; -table type possible_keys key key_len ref rows Extra -t1 ALL x NULL NULL NULL 6 -t2 eq_ref y y 4 t1.x 1 +id select_type table type possible_keys key key_len ref rows Extra +1 FIRST t1 ALL x NULL NULL NULL 6 +1 FIRST t2 eq_ref y y 4 t1.x 1 drop table t1; create table t1 (a int) type=heap; insert into t1 values(1); @@ -158,18 +158,18 @@ drop table t1; create table t1 (btn char(10) not null, key using HASH (btn)) type=heap; insert into t1 values ("hello"),("hello"),("hello"),("hello"),("hello"),("a"),("b"),("c"),("d"),("e"),("f"),("g"),("h"),("i"); explain select * from t1 where btn like "q%"; -table type possible_keys key key_len ref rows Extra -t1 ALL btn NULL NULL NULL 14 where used +id select_type table type possible_keys key key_len ref rows Extra +1 FIRST t1 ALL btn NULL NULL NULL 14 where used select * from t1 where btn like "q%"; btn alter table t1 add column new_col char(1) not null, add key using HASH (btn,new_col), drop key btn; update t1 set new_col=btn; explain select * from t1 where btn="a"; -table type possible_keys key key_len ref rows Extra -t1 ALL btn NULL NULL NULL 14 where used +id select_type table type possible_keys key key_len ref rows Extra +1 FIRST t1 ALL btn NULL NULL NULL 14 where used explain select * from t1 where btn="a" and new_col="a"; -table type possible_keys key key_len ref rows Extra -t1 ref btn btn 11 const,const 10 where used +id select_type table type possible_keys key key_len ref rows Extra +1 FIRST t1 ref btn btn 11 const,const 10 where used drop table t1; CREATE TABLE t1 ( a int default NULL, @@ -181,16 +181,16 @@ INSERT INTO t1 VALUES (NULL,99),(99,NULL),(1,1),(2,2),(1,3); SELECT * FROM t1 WHERE a=NULL; a b explain SELECT * FROM t1 WHERE a IS NULL; -table type possible_keys key key_len ref rows Extra -t1 ref a a 5 const 10 where used +id select_type table type possible_keys key key_len ref rows Extra +1 FIRST t1 ref a a 5 const 10 where used SELECT * FROM t1 WHERE a<=>NULL; a b NULL 99 SELECT * FROM t1 WHERE b=NULL; a b explain SELECT * FROM t1 WHERE b IS NULL; -table type possible_keys key key_len ref rows Extra -t1 ref b b 5 const 1 where used +id select_type table type possible_keys key key_len ref rows Extra +1 FIRST t1 ref b b 5 const 1 where used SELECT * FROM t1 WHERE b<=>NULL; a b 99 NULL |