On 9 October 2012 15:57, Rajeev Prasad <rp.ne...@yahoo.com> wrote: > Hello, I guess a very basic question. > > In the following example: from > http://search.cpan.org/~mstrout/DBIx-Class-0.08202/lib/DBIx/Class/ResultSet.pm > > > my @cds = $cd_rs->search({ year => 2001 }); # "... WHERE year = 2001" > my $new_rs = $cd_rs->search({ year => 2005 }); > > are we to understand that, table is 'indexed' or at least has a unique > constraint on the column year? or can I do a search on non-index, > non-constrained, just a normal column? > No, indexing is not necessary and there is no constraint on the column year.
The first example returns all rows that match year '2001' and puts the row objects into @cds. The second example returns a result set which represents a query for all rows that match the year '2005'. > thank you. > Rajeev > _______________________________________________ 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
