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fixing EXPLAIN select types

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This commit is contained in:
bell@sanja.is.com.ua
2002-10-03 18:47:04 +03:00
parent c65515d888
commit 2883c3a8cc
25 changed files with 189 additions and 187 deletions
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16
mysql-test/r/myisam.result
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@ -52,26 +52,26 @@ create table t1 (a int not null, b int not null, c int not null, primary key (a)
insert into t1 values (3,3,3),(1,1,1),(2,2,2),(4,4,4);
explain select * from t1 order by a;
id select_type table type possible_keys key key_len ref rows Extra
1 FIRST t1 ALL NULL NULL NULL NULL 4 Using filesort
1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using filesort
explain select * from t1 order by b;
id select_type table type possible_keys key key_len ref rows Extra
1 FIRST t1 ALL NULL NULL NULL NULL 4 Using filesort
1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using filesort
explain select * from t1 order by c;
id select_type table type possible_keys key key_len ref rows Extra
1 FIRST t1 ALL NULL NULL NULL NULL 4 Using filesort
1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using filesort
explain select a from t1 order by a;
id select_type table type possible_keys key key_len ref rows Extra
1 FIRST t1 index NULL PRIMARY 4 NULL 4 Using index
1 SIMPLE t1 index NULL PRIMARY 4 NULL 4 Using index
explain select b from t1 order by b;
id select_type table type possible_keys key key_len ref rows Extra
1 FIRST t1 index NULL b 4 NULL 4 Using index
1 SIMPLE t1 index NULL b 4 NULL 4 Using index
explain select a,b from t1 order by b;
id select_type table type possible_keys key key_len ref rows Extra
1 FIRST t1 ALL NULL NULL NULL NULL 4 Using filesort
1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using filesort
explain select a,b from t1;
id select_type table type possible_keys key key_len ref rows Extra
1 FIRST t1 ALL NULL NULL NULL NULL 4
1 SIMPLE t1 ALL NULL NULL NULL NULL 4
explain select a,b,c from t1;
id select_type table type possible_keys key key_len ref rows Extra
1 FIRST t1 ALL NULL NULL NULL NULL 4
1 SIMPLE t1 ALL NULL NULL NULL NULL 4
drop table t1;