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new EXPLAIN

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fixed bug in mysql-test/create-test-result
fixed bug in union-subselect engine
This commit is contained in:
bell@sanja.is.com.ua
2002-09-26 23:08:22 +03:00
parent d9989c635e
commit 46a22a5be7
36 changed files with 607 additions and 457 deletions
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52
mysql-test/r/innodb.result
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@@ -139,14 +139,14 @@ id parent_id level
1010 102 2
1015 102 2
explain select level from t1 where level=1;
table type possible_keys key key_len ref rows Extra
t1 ref level level 1 const 12 where used; Using index
id select_type table type possible_keys key key_len ref rows Extra
1 FIRST t1 ref level level 1 const 12 where used; Using index
explain select level,id from t1 where level=1;
table type possible_keys key key_len ref rows Extra
t1 ref level level 1 const 12 where used; Using index
id select_type table type possible_keys key key_len ref rows Extra
1 FIRST t1 ref level level 1 const 12 where used; Using index
explain select level,id,parent_id from t1 where level=1;
table type possible_keys key key_len ref rows Extra
t1 ref level level 1 const 12 where used
id select_type table type possible_keys key key_len ref rows Extra
1 FIRST t1 ref level level 1 const 12 where used
select level,id from t1 where level=1;
level id
1 1002
@@ -596,8 +596,8 @@ id parent_id level
1025 102 2
1016 102 2
explain select level from t1 where level=1;
table type possible_keys key key_len ref rows Extra
t1 ref level level 1 const 6 where used; Using index
id select_type table type possible_keys key key_len ref rows Extra
1 FIRST t1 ref level level 1 const 6 where used; Using index
select level,id from t1 where level=1;
level id
1 1004
@@ -758,8 +758,8 @@ DROP TABLE t1;
create table t1 (a int primary key,b int, c int, d int, e int, f int, g int, h int, i int, j int, k int, l int, m int, n int, o int, p int, q int, r int, s int, t int, u int, v int, w int, x int, y int, z int, a1 int, a2 int, a3 int, a4 int, a5 int, a6 int, a7 int, a8 int, a9 int, b1 int, b2 int, b3 int, b4 int, b5 int, b6 int) type = innodb;
insert into t1 values (1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1);
explain select * from t1 where a > 0 and a < 50;
table type possible_keys key key_len ref rows Extra
t1 range PRIMARY PRIMARY 4 NULL 1 where used
id select_type table type possible_keys key key_len ref rows Extra
1 FIRST t1 range PRIMARY PRIMARY 4 NULL 1 where used
drop table t1;
create table t1 (id int NOT NULL,id2 int NOT NULL,id3 int NOT NULL,dummy1 char(30),primary key (id,id2),index index_id3 (id3)) type=innodb;
insert into t1 values (0,0,0,'ABCDEFGHIJ'),(2,2,2,'BCDEFGHIJK'),(1,1,1,'CDEFGHIJKL');
@@ -892,29 +892,29 @@ drop table t1;
create table t1 (a int not null, b int not null, c int not null, primary key (a),key(b)) type=innodb;
insert into t1 values (3,3,3),(1,1,1),(2,2,2),(4,4,4);
explain select * from t1 order by a;
table type possible_keys key key_len ref rows Extra
t1 index NULL PRIMARY 4 NULL 4
id select_type table type possible_keys key key_len ref rows Extra
1 FIRST t1 index NULL PRIMARY 4 NULL 4
explain select * from t1 order by b;
table type possible_keys key key_len ref rows Extra
t1 index NULL b 4 NULL 4
id select_type table type possible_keys key key_len ref rows Extra
1 FIRST t1 index NULL b 4 NULL 4
explain select * from t1 order by c;
table type possible_keys key key_len ref rows Extra
t1 ALL NULL NULL NULL NULL 4 Using filesort
id select_type table type possible_keys key key_len ref rows Extra
1 FIRST t1 ALL NULL NULL NULL NULL 4 Using filesort
explain select a from t1 order by a;
table type possible_keys key key_len ref rows Extra
t1 index NULL PRIMARY 4 NULL 4 Using index
id select_type table type possible_keys key key_len ref rows Extra
1 FIRST t1 index NULL PRIMARY 4 NULL 4 Using index
explain select b from t1 order by b;
table type possible_keys key key_len ref rows Extra
t1 index NULL b 4 NULL 4 Using index
id select_type table type possible_keys key key_len ref rows Extra
1 FIRST t1 index NULL b 4 NULL 4 Using index
explain select a,b from t1 order by b;
table type possible_keys key key_len ref rows Extra
t1 index NULL b 4 NULL 4 Using index
id select_type table type possible_keys key key_len ref rows Extra
1 FIRST t1 index NULL b 4 NULL 4 Using index
explain select a,b from t1;
table type possible_keys key key_len ref rows Extra
t1 index NULL b 4 NULL 4 Using index
id select_type table type possible_keys key key_len ref rows Extra
1 FIRST t1 index NULL b 4 NULL 4 Using index
explain select a,b,c from t1;
table type possible_keys key key_len ref rows Extra
t1 ALL NULL NULL NULL NULL 4
id select_type table type possible_keys key key_len ref rows Extra
1 FIRST t1 ALL NULL NULL NULL NULL 4
drop table t1;
create table t1 (t int not null default 1, key (t)) type=innodb;
desc t1;