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11 lines
454 B
Plaintext
11 lines
454 B
Plaintext
set default_storage_engine='tokudb';
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drop table if exists t2970;
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Warnings:
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Note 1051 Unknown table 'test.t2970'
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create table t2970 (a int, b int, c int, d int, key(a), key(a,b));
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insert into t2970 values (1,1,1,1),(1,2,3,4);
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explain select a,count(b),max(b) from t2970 where a > 0 group by a order by a;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t2970 range a,a_2 a_2 5 NULL 2 Using where; Using index
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drop table t2970;
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