mirror of
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Merge spetrunia@bk-internal.mysql.com:/home/bk/mysql-5.0
into mysql.com:/dbdata/psergey/mysql-5.0-build-fix-31dec
This commit is contained in:
@@ -140,13 +140,13 @@ id parent_id level
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1015 102 2
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explain select level from t1 where level=1;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref level level 1 const 6 Using index
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1 SIMPLE t1 ref level level 1 const X Using index
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explain select level,id from t1 where level=1;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref level level 1 const 6 Using index
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1 SIMPLE t1 ref level level 1 const X Using index
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explain select level,id,parent_id from t1 where level=1;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref level level 1 const 6
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1 SIMPLE t1 ref level level 1 const X
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select level,id from t1 where level=1;
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level id
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1 1002
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@@ -625,7 +625,7 @@ id parent_id level
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1016 102 2
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explain select level from t1 where level=1;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref level level 1 const 6 Using index
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1 SIMPLE t1 ref level level 1 const X Using index
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select level,id from t1 where level=1;
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level id
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1 1004
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@@ -1412,22 +1412,22 @@ count(*)
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9
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explain select count(*) from t1 where v='a ';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref v v 13 const 10 Using where
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1 SIMPLE t1 ref v v 13 const # Using where
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explain select count(*) from t1 where c='a ';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref c c 11 const 10 Using where
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1 SIMPLE t1 ref c c 11 const # Using where
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explain select count(*) from t1 where t='a ';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range t t 13 NULL 10 Using where
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1 SIMPLE t1 range t t 13 NULL # Using where
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explain select count(*) from t1 where v like 'a%';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range v v 13 NULL 11 Using where
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1 SIMPLE t1 range v v 13 NULL # Using where
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explain select count(*) from t1 where v between 'a' and 'a ';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range v v 13 NULL 10 Using where
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1 SIMPLE t1 range v v 13 NULL # Using where
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explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range v v 13 NULL 10 Using where
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1 SIMPLE t1 range v v 13 NULL # Using where
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alter table t1 add unique(v);
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ERROR 23000: Duplicate entry '{ ' for key 1
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alter table t1 add key(v);
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@@ -1445,7 +1445,7 @@ qq
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*a *a*a *
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explain select * from t1 where v='a';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref v,v_2 # 13 const 10 Using where
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1 SIMPLE t1 ref v,v_2 # 13 const # Using where
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select v,count(*) from t1 group by v limit 10;
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v count(*)
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a 1
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@@ -1611,19 +1611,19 @@ count(*)
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9
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explain select count(*) from t1 where v='a ';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref v v 258 const 10 Using where
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1 SIMPLE t1 ref v v 258 const # Using where
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explain select count(*) from t1 where v like 'a%';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range v v 258 NULL 11 Using where
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1 SIMPLE t1 range v v 258 NULL # Using where
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explain select count(*) from t1 where v between 'a' and 'a ';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range v v 258 NULL 10 Using where
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1 SIMPLE t1 range v v 258 NULL # Using where
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explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range v v 258 NULL 10 Using where
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1 SIMPLE t1 range v v 258 NULL # Using where
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explain select * from t1 where v='a';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref v v 258 const 10 Using where
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1 SIMPLE t1 ref v v 258 const # Using where
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select v,count(*) from t1 group by v limit 10;
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v count(*)
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a 1
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@@ -1691,19 +1691,19 @@ count(*)
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9
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explain select count(*) from t1 where v='a ';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref v v 33 const 10 Using where
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1 SIMPLE t1 ref v v 33 const # Using where
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explain select count(*) from t1 where v like 'a%';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range v v 33 NULL 11 Using where
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1 SIMPLE t1 range v v 33 NULL # Using where
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explain select count(*) from t1 where v between 'a' and 'a ';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range v v 33 NULL 10 Using where
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1 SIMPLE t1 range v v 33 NULL # Using where
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explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range v v 33 NULL 10 Using where
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1 SIMPLE t1 range v v 33 NULL # Using where
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explain select * from t1 where v='a';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref v v 33 const 10 Using where
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1 SIMPLE t1 ref v v 33 const # Using where
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select v,count(*) from t1 group by v limit 10;
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v count(*)
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a 1
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@@ -190,7 +190,7 @@ insert into t3 select * from t4;
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explain select distinct t1.a from t1,t3 where t1.a=t3.a;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 index PRIMARY PRIMARY 4 NULL 4 Using index; Using temporary
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1 SIMPLE t3 ref a a 5 test.t1.a 10 Using where; Using index; Distinct
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1 SIMPLE t3 ref a a 5 test.t1.a 11 Using where; Using index; Distinct
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select distinct t1.a from t1,t3 where t1.a=t3.a;
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a
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1
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@@ -683,22 +683,22 @@ count(*)
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9
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explain select count(*) from t1 where v='a ';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref v v 13 const 9 Using where; Using index
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1 SIMPLE t1 ref v v 13 const # Using where; Using index
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explain select count(*) from t1 where c='a ';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref c c 11 const 9 Using where; Using index
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1 SIMPLE t1 ref c c 11 const # Using where; Using index
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explain select count(*) from t1 where t='a ';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range t t 13 NULL 9 Using where
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1 SIMPLE t1 range t t 13 NULL # Using where
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explain select count(*) from t1 where v like 'a%';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range v v 13 NULL 10 Using where; Using index
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1 SIMPLE t1 range v v 13 NULL # Using where; Using index
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explain select count(*) from t1 where v between 'a' and 'a ';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range v v 13 NULL 9 Using where; Using index
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1 SIMPLE t1 range v v 13 NULL # Using where; Using index
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explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range v v 13 NULL 9 Using where; Using index
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1 SIMPLE t1 range v v 13 NULL # Using where; Using index
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alter table t1 add unique(v);
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ERROR 23000: Duplicate entry '{ ' for key 1
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alter table t1 add key(v);
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@@ -716,7 +716,7 @@ qq
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*a *a*a *
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explain select * from t1 where v='a';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref v,v_2 # 13 const 7 Using where
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1 SIMPLE t1 ref v,v_2 # 13 const # Using where
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select v,count(*) from t1 group by v limit 10;
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v count(*)
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a 1
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@@ -880,19 +880,19 @@ count(*)
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9
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explain select count(*) from t1 where v='a ';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref v v 303 const 7 Using where; Using index
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1 SIMPLE t1 ref v v 303 const # Using where; Using index
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explain select count(*) from t1 where v like 'a%';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range v v 303 NULL 8 Using where; Using index
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1 SIMPLE t1 range v v 303 NULL # Using where; Using index
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explain select count(*) from t1 where v between 'a' and 'a ';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range v v 303 NULL 7 Using where; Using index
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1 SIMPLE t1 range v v 303 NULL # Using where; Using index
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explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range v v 303 NULL 7 Using where; Using index
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1 SIMPLE t1 range v v 303 NULL # Using where; Using index
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explain select * from t1 where v='a';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref v v 303 const 7 Using where
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1 SIMPLE t1 ref v v 303 const # Using where
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select v,count(*) from t1 group by v limit 10;
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v count(*)
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a 1
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@@ -960,19 +960,19 @@ count(*)
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9
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explain select count(*) from t1 where v='a ';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref v v 33 const 7 Using where
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1 SIMPLE t1 ref v v 33 const # Using where
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explain select count(*) from t1 where v like 'a%';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range v v 33 NULL 8 Using where
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1 SIMPLE t1 range v v 33 NULL # Using where
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explain select count(*) from t1 where v between 'a' and 'a ';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range v v 33 NULL 7 Using where
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1 SIMPLE t1 range v v 33 NULL # Using where
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explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range v v 33 NULL 7 Using where
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1 SIMPLE t1 range v v 33 NULL # Using where
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explain select * from t1 where v='a';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref v v 33 const 7 Using where
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1 SIMPLE t1 ref v v 33 const # Using where
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select v,count(*) from t1 group by v limit 10;
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v count(*)
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a 1
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@@ -1353,7 +1353,7 @@ explain extended select * from t2 where t2.a in (select t1.a from t1,t3 where t1
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id select_type table type possible_keys key key_len ref rows Extra
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1 PRIMARY t2 index NULL a 5 NULL 4 Using where; Using index
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2 DEPENDENT SUBQUERY t3 index a a 5 NULL 3 Using index
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2 DEPENDENT SUBQUERY t1 ref a a 10 func,test.t3.a 1000 Using where; Using index
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2 DEPENDENT SUBQUERY t1 ref a a 10 func,test.t3.a 1167 Using where; Using index
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Warnings:
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Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,<exists>(select 1 AS `Not_used` from `test`.`t1` join `test`.`t3` where ((`test`.`t1`.`b` = `test`.`t3`.`a`) and (<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`))))
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insert into t1 values (3,31);
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