File: group_by_null.test

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#
# MDEV-5461 Assertion `length <= column->length' fails in write_block_record with functions in select list, GROUP BY, ORDER BY
#
create table t1 (a int);
insert into t1 values (1),(2);
select max('foo') from t1 group by values(a), extractvalue('bar','qux') order by "v";
drop table t1;