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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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10
mysql-test/r/explain.result
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@ -10,16 +10,16 @@ id str
3 foo
explain select * from t1 where str is null;
id select_type table type possible_keys key key_len ref rows Extra
1 FIRST t1 ref str str 11 const 1 where used
1 SIMPLE t1 ref str str 11 const 1 where used
explain select * from t1 where str="foo";
id select_type table type possible_keys key key_len ref rows Extra
1 FIRST t1 const str str 11 const 1
1 SIMPLE t1 const str str 11 const 1
explain select * from t1 ignore key (str) where str="foo";
id select_type table type possible_keys key key_len ref rows Extra
1 FIRST t1 ALL NULL NULL NULL NULL 4 where used
1 SIMPLE t1 ALL NULL NULL NULL NULL 4 where used
explain select * from t1 use key (str,str) where str="foo";
id select_type table type possible_keys key key_len ref rows Extra
1 FIRST t1 const str str 11 const 1
1 SIMPLE t1 const str str 11 const 1
explain select * from t1 use key (str,str,foo) where str="foo";
Key column 'foo' doesn't exist in table
explain select * from t1 ignore key (str,str,foo) where str="foo";
@ -27,4 +27,4 @@ Key column 'foo' doesn't exist in table
drop table t1;
explain select 1;
id select_type table type possible_keys key key_len ref rows Extra
1 FIRST No tables used
1 SIMPLE No tables used