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MDEV-4643 MariaDB crashes consistently when trying a SELECT on VIEW with a UNION and an additional JOIN in SELECT open derived temp tables *before* trying QUICK_SELECT for them, handler::multi_range_read_info() needs an open table.
16 lines
715 B
Text
16 lines
715 B
Text
#
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# MDEV-4610 SQL query crashes MariaDB with derived_with_keys
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#
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--source include/have_innodb.inc
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create table t1 (f1 char(4) primary key) engine=innodb charset=utf8 ;
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insert into t1 values ('aaaa');
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create table t2 (f2 text, f3 char(4) not null) engine=innodb charset=utf8 ;
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create table t3 (id int not null) engine=innodb charset=utf8 ;
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create table t4 (val int not null) engine=innodb charset=utf8;
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explain select 1 from
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(select f2, f3, val, count(id) from t4 join t2 left join t3 on 0) top
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join t1 on f1 = f3 where f3 = 'aaaa' order by val;
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select 1 from
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(select f2, f3, val, count(id) from t4 join t2 left join t3 on 0) top
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join t1 on f1 = f3 where f3 = 'aaaa' order by val;
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drop table t1, t2, t3, t4;
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