[Dbix-class] Prefetch and join on different tables

[mpm]

Hello,

I am performing a join between a table 'mdata', that has a 'has many'
relationship with 'mc' and 'mt'. $where contains conditions over mc and mt,
and I want all columns of mc and mdata in the result. So I prefetch mc:

push @{ $attr->{join} }, 'mt';
push @{ $attr->{join} }, 'mc';
my $rs1 = $c->model('weight::Mdata')->search( $where, $attr,{prefetch =>
'mc'});
                       while ($cand = $rs1->next()) {
                               $h1 = $cand-> get_column('h1');
				...
				...
			}
And the following error occurs:

[error] DBIx::Class::ResultSet::next(): DBI Exception: DBD::mysql::st
execute failed: Unknown column 'mt.n_C' in 'where clause'

I don't know why but it is not performing the join with mt, only the
prefetch with mc. If I change the prefetch and I prefetch mt, the same
happens but with mc. Is it possible to perform prefetch and join of
different tables?



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