I've come up with a solution at http://stackoverflow.com/questions/14144155/is-there-any-way-to-filter-a-column-using-sql-functions-in-perls-dbixclass/14148455#14148455
Ideally, there's be a variant of InflateColumn that says to use a particular database function for inflating, and another for deflating. Can that be done with DBIC? On 03/01/13 16:25 Robert Rothenberg wrote: > I'm looking for a less painful way of using DBIx::Class with a database that > has PostGIS geometry columns. > > Ideally, I'd like to use InflateColumn to automatically inflate/deflate > geometry columns using the ST_AsEWKT and ST_GeomFromEWKT functions, but I am > unsure how to do this, or even if it's possible. > > Using something like > > __PACKAGE__->inflate_column( 'geo', { > inflate => sub { > my ($raw_value, $result) = @_; > my $col = $result->get_column("geo")->func("ST_AsEWKT"); > }, > }); > > doesn't work, because $result->get_column() is returning the scalar value of > the column instead of a ResultSetColumn object, which is annoying (and a bit > confusing, since I've looked at the source for ResultSet and cannot > understand why it's doing that). > > Assuming I am able to get this to work in a similar manner, I'm still unsure > how to implement deflate. > > Any pointers would be helpful. > _______________________________________________ List: http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/dbix-class IRC: irc.perl.org#dbix-class SVN: http://dev.catalyst.perl.org/repos/bast/DBIx-Class/ Searchable Archive: http://www.grokbase.com/group/dbix-class@lists.scsys.co.uk