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git-svn-id: file:///svn/mysql/tests/mysql-test@24515 c7de825b-a66e-492c-adef-691d508d4ae1
12 lines
475 B
Plaintext
12 lines
475 B
Plaintext
# test that the query planner chooses a covering index over a non-covering index with the same
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# record cost
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drop table if exists t2970;
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create table t2970 (a int, b int, c int, d int, key(a), key(a,b)) engine=innodb;
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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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alter table t2970 engine=tokudb;
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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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drop table t2970;
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