On 06/11/13 16:43, Dmitry Belyavsky wrote:
select => ['DISTINCT column'] clearly should not work with DBIx::Class;
and select distinct does not seems to be supported well.
distinct => 1 does something strange (group by instead of distinct), and
select => [ distinct => 'column' ] MAYBE will perform as you're expecting.
After upgrading the DBIx::Class package from 8.0127 to 8.0196 the
problem occurs in using
select attribute of a ResultSet with DISTINCT qualifier.
I used the syntax
my $rs_2 = $rs->search({},
{
select => ['DISTINCT searchable_id', "dense_rank() OVER (ORDER
BY $order_by) AS pos" ],
as => ['searchable_id', 'pos'],
}
);
$order_by clause is calculated separately and above.
I get an error
=======
DBIx::Class::ResultSet::next(): DBI Exception: DBD::Pg::st execute
failed: ERROR: column me.distinct does not exist
[Mon Jun 10 17:33:22 2013] [error] LINE 1: SELECT me.pos FROM (SELECT
me.DISTINCT searchable_id, dense_rank()...
=======
For this particular query I can avoid DISTINCT, but what should I do
not ot get this error?
Thank you!
--
SY, Dmitry Belyavsky
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