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5.5 merge
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@ -425,4 +425,18 @@ select 1 from t1 where 1 like (select 1 from t1 where 1 <=> (select 1 from t1 gr
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drop table t1;
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--echo #
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--echo # MDEV-3988 crash in create_tmp_table
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--echo #
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drop table if exists `t1`,`t2`;
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create table `t1`(`a` char(1) character set utf8)engine=innodb;
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create table `t2`(`b` char(1) character set utf8)engine=memory;
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select distinct (select 1 from `t2` where `a`) `d2` from `t1`;
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select distinct (select 1 from `t2` where `a`) `d2`, a from `t1`;
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select distinct a, (select 1 from `t2` where `a`) `d2` from `t1`;
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select distinct (1 + (select 1 from `t2` where `a`)) `d2` from `t1`;
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drop table t1,t2;
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set optimizer_switch=@subselect_innodb_tmp;
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