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5.3->5.5 merge
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@ -392,7 +392,7 @@ id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ALL a NULL NULL NULL 5 Using where
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explain select * from t1 force index (a) where a=0 or a=2;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range a a 4 NULL 4 Using where
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1 SIMPLE t1 range a a 4 NULL 4 Using index condition; Using where
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explain select * from t1 where c=1;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref c,c_2 c 5 const 1
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