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Test case for the bug#31048 is moved to the subselect_notembedded tests as the embedded server isn't affected by this bug.
106 lines
5.4 KiB
Plaintext
106 lines
5.4 KiB
Plaintext
-- source include/not_embedded.inc
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#
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# BUG#10308: purge log with subselect
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# Bug#28553: mysqld crash in "purge master log before(select time from information_schema)"
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#
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--error 1064
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purge master logs before (select adddate(current_timestamp(), interval -4 day));
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purge master logs before adddate(current_timestamp(), interval -4 day);
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#
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# Bug31048: Many nested subqueries may cause server crash.
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#
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create table t1(a int,b int,key(a),key(b));
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insert into t1(a,b) values (1,2),(2,1),(2,3),(3,4),(5,4),(5,5),
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(6,7),(7,4),(5,3);
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# test for the stack overflow bug
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select sum(a),a from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1
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)group by b limit 1)group by b limit 1
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)group by b limit 1)group by b limit 1)group by b limit 1
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)group by b limit 1)group by b limit 1)group by b limit 1
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)group by b limit 1)group by b limit 1)group by b limit 1)
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group by a;
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--replace_regex /overrun.*$/overrun detected/
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--error 1436
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select sum(a),a from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
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select sum(a) from t1
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)group by b limit 1)group by b limit 1)group by b limit 1
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)group by b limit 1)group by b limit 1)group by b limit 1
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)group by b limit 1)group by b limit 1)group by b limit 1
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)group by b limit 1)group by b limit 1)group by b limit 1
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)group by b limit 1)group by b limit 1)group by b limit 1
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)group by b limit 1)group by b limit 1)group by b limit 1
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)group by b limit 1)group by b limit 1)group by b limit 1
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)group by b limit 1)group by b limit 1)group by b limit 1
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)group by b limit 1)group by b limit 1)group by b limit 1
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)group by b limit 1)group by b limit 1)group by b limit 1)
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group by a;
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# test for the memory consumption & subquery slowness bug
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explain select sum(a),a from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1
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)group by b limit 1)group by b limit 1
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)group by b limit 1)group by b limit 1)group by b limit 1
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)group by b limit 1)group by b limit 1)group by b limit 1
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)group by b limit 1)group by b limit 1)group by b limit 1)
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group by a;
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--replace_regex /overrun.*$/overrun detected/
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--error 1436
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explain select sum(a),a from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
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select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
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select sum(a) from t1
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)group by b limit 1)group by b limit 1)group by b limit 1
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)group by b limit 1)group by b limit 1)group by b limit 1
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)group by b limit 1)group by b limit 1)group by b limit 1
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)group by b limit 1)group by b limit 1)group by b limit 1
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)group by b limit 1)group by b limit 1)group by b limit 1
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)group by b limit 1)group by b limit 1)group by b limit 1
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)group by b limit 1)group by b limit 1)group by b limit 1
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)group by b limit 1)group by b limit 1)group by b limit 1
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)group by b limit 1)group by b limit 1)group by b limit 1
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)group by b limit 1)group by b limit 1)group by b limit 1)
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group by a;
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drop table t1;
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