On Tue, May 28, 2013 at 5:07 AM, Peter Rabbitson <rabbit+d...@rabbit.us>wrote:
> On Mon, May 27, 2013 at 04:15:08PM -0700, Bill Moseley wrote: > > I have created a partial index in Postgresql using lower() on a column > name > > so I need to use that in my query to make use of the index. > > > > The Cookbook< > http://search.cpan.org/~ribasushi/DBIx-Class-0.08250/lib/DBIx/Class/Manual/Cookbook.pod#Using_SQL_functions_on_the_left_hand_side_of_a_comparison > >discusses > > this usage. But, I also need to identify the bind parameter. > > > > Is this the correct syntax for the bind value? > > > > my $rs = $schema->resultset( 'User' )->search( > > \['lower( first_name ) like ?', [{ dbic_colname => 'first_name' }, > > "$query%"]], > > ); > > No it isn't. You have an extra set of []s in there. The "litral with > bind" syntax is defined thus: > > \[ $sql_portion, $bind1, $bind2, $bind3,... ] > Ok, I'm confused by the docs, I guess. They say: Each bind value should be composed of an arrayref of [ \%args => $val ]. > The format of \%args is currently: So, my arrayref is: [{ dbic_colname => 'first_name' }, "$query%"]], Oh, maybe it should just be this short-cut version? \['lower( first_name ) like ?', [ first_name => "$query%"]], They both seem to generate this WHERE: WHERE ( lower( first_name ) like ? ): 'foo%' > > > Second, what is the correct way to escape $query? > > There currently is no canned solution for this. The feature is blocked > due to the unavailability of a way to mark some nodes as a specific > dialect of SQL (per engine). In other words this is something which will > take place post-Data::Query. > Ok, then I'll just try and filter the query on input. Thanks, -- Bill Moseley mose...@hank.org
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