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monty@hundin.mysql.fi
2001-11-28 14:52:11 +02:00
parent 5fedd2dda7 41afc03a85
commit 69f6802632
10 changed files with 88 additions and 62 deletions
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mysql-test/r/null_key.result
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@@ -21,7 +21,7 @@ table type possible_keys key key_len ref rows Extra
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 range a,b a 9 NULL 2 where used; Using index
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