Interesting, thanks for the information. I hadn't realized that you could use $1, $2 etc at the DBI/bind level. I do have queries where the same value is repeated, so that should be helpful regardless of the ? class of operators.
Augustus On Dec 16, 2014, at 8:19 PM, Darren Duncan <dar...@darrenduncan.net> wrote: > On 2014-12-04 3:38 PM, Augustus Saunders wrote: >> Hi all, I have been unable to find a way to use some of the new JSONB >> operators >> in Postgres 9.4 with DBIx::Class. A quick search for JSONB on the email >> archive >> site didn’t turn up any results, so I thought I would ask. >> >> In particular, ?, ?&, and ?| are now operators, and we run into problems with >> the DBI placeholder being ?. I read that putting single quotes around the >> question mark would allow a literal question mark in DBI, but I can’t seem to >> make this work from DBIx::Class. Can anybody tell me whether this is >> currently >> possible, if so how, and if not what might be involved or where in the code >> to >> look? Thanks- > > At the DBI level anyway, you can use this: > > http://search.cpan.org/dist/DBD-Pg/Pg.pm#pg_placeholder_dollaronly_(boolean) > > If you set that DBD::Pg option, then literal ? are not treated as > placeholders and you instead have to use other forms like $1,$2 etc or named > placeholders; on the plus side, those also let you use the same placeholder > more than once in a statement rather than having to pass in the same bind > value multiple times. > > This being said, I don't know if DBIx::Class is compatible with that way of > using PostgreSQL, not that this can't change. > > -- Darren Duncan > > > _______________________________________________ > 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 _______________________________________________ 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
