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8103526b38
In row_search_for_mysql function on XtraDB there was a old logic where null bytes were inited. This caused server to think that key value is null and continue on incorrect path.
19 lines
760 B
Plaintext
19 lines
760 B
Plaintext
--source include/have_innodb.inc
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#
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# MDEV-9667: Server hangs after select count(distinct name) from t2 where a=8366 and b>=5 and b<=5;
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#
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create table t2 (a smallint(6) not null, b int(10) not null, name varchar(20), primary key(a,b), key(name)) engine=InnoDB;
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insert into t2 values (8355,3,"sanja"),(8355,4,"wlad"),(8366,5, "lawrin"),(8366,6,"markusjm");
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select count(distinct name) from t2 where a=8366 and b>=5 and b<=5;
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select count(distinct name) from t2 where a=8366 and b=5;
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select count(distinct name) from t2 where a=8366 and b between 5 and 5.5;
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select sum(distinct a) from t2 where a=8366 and b>=5 and b<=5;
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select sum(distinct a) from t2 where a=8366 and b=5;
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select sum(distinct a) from t2 where a=8366 and b between 5 and 5.5;
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drop table t2;
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