[Dbix-class] Does DBIx::Class support postgresql arrays and ANY
syntax?
Jess Robinson
castaway at desert-island.me.uk
Thu Mar 12 13:19:58 GMT 2009
On Wed, 18 Feb 2009, Adam Witney wrote:
>
> On 18 Feb 2009, at 11:18, Joel Bernstein wrote:
>
>> 2009/2/18 Joel Bernstein <joel at fysh.org>:
>> > Why do you feel that is a hack? It seems equivalent to your original
>> > query..
>> > $rs->search({ 1 => \'sql literal here', })
>> > It's a perfectly common idiom so I'm not too sure why you feel it's
>> > hacky?
>>
>> I suppose you meant, it feels like a hack to use a SQL literal to
>> mimic the original query, and does DBIC have a more logical way to
>> achieve it?
>>
>
> Yes, thats what i meant.
>
> I did manage to write my own special operator using SQL::Abstract (1.49_02)
> which would handle the ANY keyword, but i couldn't see how i could include
> this such that the DBIx::Class generated code could use it, like so:
>
> my $sql = SQL::Abstract->new(special_ops => [
> {regex => qr/^any$/i,
> handler => sub {
> my ($self, $field, $op, $arg) = @_;
> $arg = [$arg] if not ref $arg;
> my $label = $self->_quote($field);
> my ($placeholder) = $self->_convert('?');
> my $sql = $placeholder . " = " . $self->_sqlcase('any') .
> "($label) ";
> my @bind = $self->_bindtype($field, @$arg);
> return ($sql, @bind);
> }
> },
> ] ) ;
>
> my %where = (
> 'my_array_col' => { -any => '1' }
> );
>
> my($stmt, @bind) = $sql->where(\%where);
>
The newest DBIC dev release, soon to be the public one, uses the features
of the newest SQL::Abstract 1.50, which is also being released.. Care to
try this out and report back?
Jess
More information about the DBIx-Class
mailing list