X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FResultSet.pm;h=4e8467eaad5bc96bb67136995511f7e8464323dc;hb=7e51afbf1951bc8febf00897e5e3f0f25dfc34aa;hp=17d05f5c60e7924cbe4ed259a37ed0fd0cabb1fc;hpb=ce106a7a3c66bf59b48aa393131eca02a70a46dd;p=dbsrgits%2FDBIx-Class-Historic.git diff --git a/lib/DBIx/Class/ResultSet.pm b/lib/DBIx/Class/ResultSet.pm index 17d05f5..4e8467e 100644 --- a/lib/DBIx/Class/ResultSet.pm +++ b/lib/DBIx/Class/ResultSet.pm @@ -737,8 +737,8 @@ sub get_column { $cd_rs = $rs->search_like({ title => '%blue%'}); Performs a search, but uses C instead of C<=> as the condition. Note -that this is simply a convenience method. You most likely want to use -L with specific operators. +that this is simply a convenience method retained for ex Class::DBI users. +You most likely want to use L with specific operators. For more information, see L. @@ -1362,8 +1362,9 @@ sub delete_all { =back -Pass an arrayref of hashrefs. Each hashref should be a structure suitable for -submitting to a $resultset->create(...) method. +Accepts either an arrayref of hashrefs or alternatively an arrayref of arrayrefs. +For the arrayref of hashrefs style each hashref should be a structure suitable +forsubmitting to a $resultset->create(...) method. In void context, C in L is used to insert the data, as this is a faster method. @@ -1403,7 +1404,18 @@ Example: Assuming an Artist Class that has many CDs Classes relating: print $ArtistOne->name; ## response is 'Artist One' print $ArtistThree->cds->count ## reponse is '2' - + +For the arrayref of arrayrefs style, the first element should be a list of the +fieldsnames to which the remaining elements are rows being inserted. For +example: + + $Arstist_rs->populate([ + [qw/artistid name/], + [100, 'A Formally Unknown Singer'], + [101, 'A singer that jumped the shark two albums ago'], + [102, 'An actually cool singer.'], + ]); + Please note an important effect on your data when choosing between void and wantarray context. Since void context goes straight to C in L this will skip any component that is overriding @@ -1415,7 +1427,10 @@ values. =cut sub populate { - my ($self, $data) = @_; + my $self = shift @_; + my $data = ref $_[0][0] eq 'HASH' + ? $_[0] : ref $_[0][0] eq 'ARRAY' ? $self->_normalize_populate_args($_[0]) : + $self->throw_exception('Populate expects an arrayref of hashes or arrayref of arrayrefs'); if(defined wantarray) { my @created; @@ -1489,6 +1504,28 @@ sub populate { } } +=head2 _normalize_populate_args ($args) + +Private method used by L to normalize it's incoming arguments. Factored +out in case you want to subclass and accept new argument structures to the +L method. + +=cut + +sub _normalize_populate_args { + my ($self, $data) = @_; + my @names = @{shift(@$data)}; + my @results_to_create; + foreach my $datum (@$data) { + my %result_to_create; + foreach my $index (0..$#names) { + $result_to_create{$names[$index]} = $$datum[$index]; + } + push @results_to_create, \%result_to_create; + } + return \@results_to_create; +} + =head2 pager =over 4 @@ -2057,6 +2094,49 @@ sub related_resultset { }; } +=head2 current_source_alias + +=over 4 + +=item Arguments: none + +=item Return Value: $source_alias + +=back + +Returns the current table alias for the result source this resultset is built +on, that will be used in the SQL query. Usually it is C. + +Currently the source alias that refers to the result set returned by a +L/L family method depends on how you got to the resultset: it's +C by default, but eg. L aliases it to the related result +source name (and keeps C referring to the original result set). The long +term goal is to make L always alias the current resultset as C +(and make this method unnecessary). + +Thus it's currently necessary to use this method in predefined queries (see +L) when referring to the +source alias of the current result set: + + # in a result set class + sub modified_by { + my ($self, $user) = @_; + + my $me = $self->current_source_alias; + + return $self->search( + "$me.modified" => $user->id, + ); + } + +=cut + +sub current_source_alias { + my ($self) = @_; + + return ($self->{attrs} || {})->{alias} || 'me'; +} + sub _resolve_from { my ($self, $extra_join) = @_; my $source = $self->result_source; @@ -2338,6 +2418,10 @@ L) you will need to do C<\'year DESC' > specify an order. (The scalar ref causes it to be passed as raw sql to the DB, so you will need to manually quote things as appropriate.) +If your L version supports it (>=1.50), you can also use +C<{-desc => 'year'}>, which takes care of the quoting for you. This is the +recommended syntax. + =head2 columns =over 4