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merge.

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checkpoint.
does not compile.
This commit is contained in:
Sergei Golubchik 2010-11-25 18:17:28 +01:00
commit 65ca700def
2732 changed files with 867677 additions and 21074 deletions
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6
mysql-test/r/null.result
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@ -148,10 +148,10 @@ insert into t1 values
(7,7), (8,8), (9,9), (10,10), (11,11), (12,12);
explain select * from t1 where a between 2 and 3;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range idx idx 4 NULL 2 Using where
1 SIMPLE t1 range idx idx 4 NULL 2 Using index condition; Using MRR
explain select * from t1 where a between 2 and 3 or b is null;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range idx idx 4 NULL 2 Using where
1 SIMPLE t1 range idx idx 4 NULL 2 Using index condition; Using MRR
drop table t1;
select cast(NULL as signed);
cast(NULL as signed)
@ -170,7 +170,7 @@ insert into t1 select i*2 from t1;
insert into t1 values(null);
explain select * from t1 where i=2 or i is null;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref_or_null i i 5 const 9 Using where; Using index
1 SIMPLE t1 ref_or_null i i 5 const 9 Using index
select count(*) from t1 where i=2 or i is null;
count(*)
10