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Optimize thai character handling
Remove sel000xxxx tests After merge fixes
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@ -265,11 +265,24 @@ INSERT INTO t1 VALUES (0),(0),(1),(1);
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CREATE TABLE t2 (keya int(11) NOT NULL default '0', KEY j1 (keya));
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INSERT INTO t2 VALUES (0),(0),(1),(1),(2),(2);
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explain select * from t1, t2 where (t1.key1 <t2.keya + 1) and t2.keya=3;
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table type possible_keys key key_len ref rows Extra
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t2 ref j1 j1 4 const 1 Using where; Using index
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t1 ALL i1,i2 NULL NULL NULL 4 Range checked for each record (index map: 3)
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t2 ref j1 j1 4 const 1 Using where; Using index
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1 SIMPLE t1 ALL i1,i2 NULL NULL NULL 4 Range checked for each record (index map: 3)
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explain select * from t1 force index(i2), t2 where (t1.key1 <t2.keya + 1) and t2.keya=3;
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table type possible_keys key key_len ref rows Extra
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t2 ref j1 j1 4 const 1 Using where; Using index
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t1 ALL i2 NULL NULL NULL 4 Range checked for each record (index map: 2)
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t2 ref j1 j1 4 const 1 Using where; Using index
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1 SIMPLE t1 ALL i2 NULL NULL NULL 4 Range checked for each record (index map: 2)
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DROP TABLE t1,t2;
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create table t1 (id int(10) primary key);
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insert into t1 values (1),(2),(3),(4),(5),(6),(7),(8),(9);
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select id from t1 where id in (2,5,9) ;
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id
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2
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5
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9
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select id from t1 where id=2 or id=5 or id=9 ;
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id
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2
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5
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9
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drop table t1;
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