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new EXPLAIN
fixed bug in mysql-test/create-test-result fixed bug in union-subselect engine
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@ -34,11 +34,11 @@ insert into t2 select NULL,message from t1;
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insert into t1 select NULL,message from t2;
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create table t3 (a int not null, b char(20), key(a)) type=MERGE UNION=(test.t1,test.t2);
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explain select * from t3 where a < 10;
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table type possible_keys key key_len ref rows Extra
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t3 range a a 4 NULL 10 where used
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id select_type table type possible_keys key key_len ref rows Extra
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1 FIRST t3 range a a 4 NULL 10 where used
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explain select * from t3 where a > 10 and a < 20;
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table type possible_keys key key_len ref rows Extra
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t3 range a a 4 NULL 10 where used
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id select_type table type possible_keys key key_len ref rows Extra
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1 FIRST t3 range a a 4 NULL 10 where used
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select * from t3 where a = 10;
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a b
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10 Testing
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@ -84,8 +84,8 @@ a b
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19 Testing
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19 Testing
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explain select a from t3 order by a desc limit 10;
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table type possible_keys key key_len ref rows Extra
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t3 index NULL a 4 NULL 1131 Using index
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id select_type table type possible_keys key key_len ref rows Extra
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1 FIRST t3 index NULL a 4 NULL 1131 Using index
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select a from t3 order by a desc limit 10;
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a
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699
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