diff options
Diffstat (limited to 'mysql-test/r/null_key.result')
| -rw-r--r-- | mysql-test/r/null_key.result | 104 |
1 files changed, 52 insertions, 52 deletions
diff --git a/mysql-test/r/null_key.result b/mysql-test/r/null_key.result index 91cd9dbbc7c..c6aed00b6c5 100644 --- a/mysql-test/r/null_key.result +++ b/mysql-test/r/null_key.result @@ -2,38 +2,38 @@ drop table if exists t1; create table t1 (a int, b int not null,unique key (a,b),index(b)) type=myisam; insert ignore into t1 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(null,7),(9,9),(8,8),(7,7),(null,9),(null,9),(6,6); explain select * from t1 where a is null; -table type possible_keys key key_len ref rows Extra -t1 ref a a 5 const 3 where used; Using index +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref a a 5 const 3 where used; Using index explain select * from t1 where a is null and b = 2; -table type possible_keys key key_len ref rows Extra -t1 ref a,b a 9 const,const 1 where used; Using index +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref a,b a 9 const,const 1 where used; Using index explain select * from t1 where a is null and b = 7; -table type possible_keys key key_len ref rows Extra -t1 ref a,b a 9 const,const 1 where used; Using index +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref a,b a 9 const,const 1 where used; Using index explain select * from t1 where a=2 and b = 2; -table type possible_keys key key_len ref rows Extra -t1 const a,b a 9 const,const 1 +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 const a,b a 9 const,const 1 explain select * from t1 where a<=>b limit 2; -table type possible_keys key key_len ref rows Extra -t1 index NULL a 9 NULL 12 where used; Using index +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL a 9 NULL 12 where used; Using index explain select * from t1 where (a is null or a > 0 and a < 3) and b < 5 limit 3; -table type possible_keys key key_len ref rows Extra -t1 range a,b a 9 NULL 3 where used; Using index +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 range a,b a 9 NULL 3 where used; Using index explain select * from t1 where (a is null or a = 7) and b=7; -table type possible_keys key key_len ref rows Extra -t1 ref a,b b 4 const 2 where used +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref a,b b 4 const 2 where used explain select * from t1 where (a is null and b>a) or a is null and b=7 limit 2; -table type possible_keys key key_len ref rows Extra -t1 ref a,b a 5 const 3 where used; Using index +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref a,b a 5 const 3 where used; Using index explain select * from t1 where a is null and b=9 or a is null and b=7 limit 3; -table type possible_keys key key_len ref rows Extra -t1 range a,b a 9 NULL 2 where used; Using index +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 range a,b a 9 NULL 2 where used; Using index explain select * from t1 where a > 1 and a < 3 limit 1; -table type possible_keys key key_len ref rows Extra -t1 range a a 5 NULL 1 where used; Using index +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 range a a 5 NULL 1 where used; Using index explain select * from t1 where a > 8 and a < 9; -table type possible_keys key key_len ref rows Extra -t1 range a a 5 NULL 1 where used; Using index +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 range a a 5 NULL 1 where used; Using index select * from t1 where a is null; a b NULL 7 @@ -65,44 +65,44 @@ NULL 9 NULL 9 alter table t1 modify b blob not null, add c int not null, drop key a, add unique key (a,b(20),c), drop key b, add key (b(10)); explain select * from t1 where a is null and b = 2; -table type possible_keys key key_len ref rows Extra -t1 ref a,b a 5 const 3 where used +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref a,b a 5 const 3 where used explain select * from t1 where a is null and b = 2 and c=0; -table type possible_keys key key_len ref rows Extra -t1 ref a,b a 5 const 3 where used +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref a,b a 5 const 3 where used explain select * from t1 where a is null and b = 7 and c=0; -table type possible_keys key key_len ref rows Extra -t1 ref a,b a 5 const 3 where used +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref a,b a 5 const 3 where used explain select * from t1 where a=2 and b = 2; -table type possible_keys key key_len ref rows Extra -t1 ref a,b a 5 const 1 where used +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref a,b a 5 const 1 where used explain select * from t1 where a<=>b limit 2; -table type possible_keys key key_len ref rows Extra -t1 ALL NULL NULL NULL NULL 12 where used +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 12 where used explain select * from t1 where (a is null or a > 0 and a < 3) and b < 5 and c=0 limit 3; -table type possible_keys key key_len ref rows Extra -t1 range a,b a 5 NULL 5 where used +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 range a,b a 5 NULL 5 where used explain select * from t1 where (a is null or a = 7) and b=7 and c=0; -table type possible_keys key key_len ref rows Extra -t1 range a,b a 5 NULL 4 where used +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 range a,b a 5 NULL 4 where used explain select * from t1 where (a is null and b>a) or a is null and b=7 limit 2; -table type possible_keys key key_len ref rows Extra -t1 ref a,b a 5 const 3 where used +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref a,b a 5 const 3 where used explain select * from t1 where a is null and b=9 or a is null and b=7 limit 3; -table type possible_keys key key_len ref rows Extra -t1 ref a,b a 5 const 3 where used +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref a,b a 5 const 3 where used explain select * from t1 where a > 1 and a < 3 limit 1; -table type possible_keys key key_len ref rows Extra -t1 range a a 5 NULL 1 where used +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 range a a 5 NULL 1 where used explain select * from t1 where a is null and b=7 or a > 1 and a < 3 limit 1; -table type possible_keys key key_len ref rows Extra -t1 range a,b a 5 NULL 4 where used +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 range a,b a 5 NULL 4 where used explain select * from t1 where a > 8 and a < 9; -table type possible_keys key key_len ref rows Extra -t1 range a a 5 NULL 1 where used +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 range a a 5 NULL 1 where used explain select * from t1 where b like "6%"; -table type possible_keys key key_len ref rows Extra -t1 range b b 12 NULL 1 where used +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 range b b 12 NULL 1 where used select * from t1 where a is null; a b c NULL 7 0 @@ -151,11 +151,11 @@ PRIMARY KEY (id) INSERT INTO t1 VALUES (1,NULL),(2,NULL),(3,1),(4,2),(5,NULL),(6,NULL),(7,3),(8,4),(9,NULL),(10,NULL); INSERT INTO t2 VALUES (1,NULL),(2,NULL),(3,1),(4,2),(5,NULL),(6,NULL),(7,3),(8,4),(9,NULL),(10,NULL); explain select id from t1 where uniq_id is null; -table type possible_keys key key_len ref rows Extra -t1 ref idx1 idx1 5 const 1 where used +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref idx1 idx1 5 const 1 where used explain select id from t1 where uniq_id =1; -table type possible_keys key key_len ref rows Extra -t1 const idx1 idx1 5 const 1 +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 const idx1 idx1 5 const 1 UPDATE t1 SET id=id+100 where uniq_id is null; UPDATE t2 SET id=id+100 where uniq_id is null; select id from t1 where uniq_id is null; |