submitting to a $resultset->create(...) method.
In void context, C<insert_bulk> in L<DBIx::Class::Storage::DBI> is used
-to insert the data, as this is a fast method.
+to insert the data, as this is a faster method.
Otherwise, each set of data is inserted into the database using
L<DBIx::Class::ResultSet/create>, and a arrayref of the resulting row
objects is returned.
-i.e.,
+Example: Assuming an Artist Class that has many CDs Classes relating:
- $rs->populate( [
- { artistid => 4, name => 'Manufactured Crap', cds => [
- { title => 'My First CD', year => 2006 },
- { title => 'Yet More Tweeny-Pop crap', year => 2007 },
- ]
- },
- { artistid => 5, name => 'Angsty-Whiny Girl', cds => [
- { title => 'My parents sold me to a record company' ,year => 2005 },
- { title => 'Why Am I So Ugly?', year => 2006 },
- { title => 'I Got Surgery and am now Popular', year => 2007 }
- ]
- },
- { name => 'Like I Give a Damn' }
-
- ] );
+ my $Artist_rs = $schema->resultset("Artist");
+
+ ## Void Context Example
+ $Artist_rs->populate([
+ { artistid => 4, name => 'Manufactured Crap', cds => [
+ { title => 'My First CD', year => 2006 },
+ { title => 'Yet More Tweeny-Pop crap', year => 2007 },
+ ],
+ },
+ { artistid => 5, name => 'Angsty-Whiny Girl', cds => [
+ { title => 'My parents sold me to a record company' ,year => 2005 },
+ { title => 'Why Am I So Ugly?', year => 2006 },
+ { title => 'I Got Surgery and am now Popular', year => 2007 }
+ ],
+ },
+ ]);
+
+ ## Array Context Example
+ my ($ArtistOne, $ArtistTwo, $ArtistThree) = $Artist_rs->populate([
+ { name => "Artist One"},
+ { name => "Artist Two"},
+ { name => "Artist Three", cds=> [
+ { title => "First CD", year => 2007},
+ { title => "Second CD", year => 2008},
+ ]}
+ ]);
+
+ print $ArtistOne->name; ## response is 'Artist One'
+ print $ArtistThree->cds->count ## reponse is '2'
=cut
-use Data::Dump qw/dump/;
sub populate {
my ($self, $data) = @_;
return @created;
} else {
my ($first, @rest) = @$data;
-
+
my @names = grep { !ref $first->{$_} } keys %$first;
-
- my @values = map {
- [ map {
- defined $_ ? $_ : $self->throw_exception("Undefined value for column!")
- } @$_{@names} ]
- } @$data;
-
+
+ my @values = map {
+ [ map {
+ defined $_ ? $_ : $self->throw_exception("Undefined value for column!")
+ } @$_{@names} ]
+ } @$data;
+
$self->result_source->storage->insert_bulk(
- $self->result_source,
- \@names,
- \@values,
- );
-
- my @rels = grep { $self->result_source->has_relationship($_) } keys %$first;
- my @pks = $self->result_source->primary_columns;
-
- foreach my $item (@$data) {
-
- foreach my $rel (@rels) {
- next unless $item->{$rel};
-
- my $parent = $self->find(map {{$_=>$item->{$_}} } @pks) || next;
- my $child = $parent->$rel;
-
- my $related = $child->result_source->resolve_condition(
-
- $parent->result_source->relationship_info($rel)->{cond},
- $child,
- $parent,
- );
-
- my @rows_to_add = ref $item->{$rel} eq 'ARRAY' ? @{$item->{$rel}} : ($item->{$rel});
- my @populate = map { {%$_, %$related} } @rows_to_add;
-
- $child->populate( \@populate );
- }
- }
-
+ $self->result_source,
+ \@names,
+ \@values,
+ );
+
+ my @rels = grep { $self->result_source->has_relationship($_) } keys %$first;
+ my @pks = $self->result_source->primary_columns;
+
+ foreach my $item (@$data) {
+
+ foreach my $rel (@rels) {
+ next unless $item->{$rel};
+
+ my $parent = $self->find(map {{$_=>$item->{$_}} } @pks) || next;
+ my $child = $parent->$rel;
+
+ my $related = $child->result_source->resolve_condition(
+ $parent->result_source->relationship_info($rel)->{cond},
+ $child,
+ $parent,
+ );
+
+ my @rows_to_add = ref $item->{$rel} eq 'ARRAY' ? @{$item->{$rel}} : ($item->{$rel});
+ my @populate = map { {%$_, %$related} } @rows_to_add;
+
+ $child->populate( \@populate );
+ }
+ }
}
}
use lib qw(t/lib);
use DBICTest;
-plan tests => 31;
+plan tests => 40;
my $schema = DBICTest->init_schema();
my $rs = $schema->resultset('Artist');
ok( $crap->name eq 'Manufactured Crap', "Got Correct name for result object");
ok( $girl->name eq 'Angsty-Whiny Girl', "Got Correct name for result object");
ok( $xxxaaa->name eq 'bbbb', "Got Correct name for result object");
-
- use Data::Dump qw/dump/;
-
+
ok( $crap->cds->count == 2, "got Expected Number of Cds");
ok( $girl->cds->count == 3, "got Expected Number of Cds");
}
is($artist->cds->count, 1, 'Has One CD');
}
+RETURN_RESULTSETS_AUTOPK: {
+
+ my ($crap, $girl, $damn, $xxxaaa) = $rs->populate( [
+ { name => 'Manufactured CrapC', cds => [
+ { title => 'My First CD', year => 2006 },
+ { title => 'Yet More Tweeny-Pop crap', year => 2007 },
+ ]
+ },
+ { name => 'Angsty-Whiny GirlC', cds => [
+ { title => 'My parents sold me to a record company' ,year => 2005 },
+ { title => 'Why Am I So Ugly?', year => 2006 },
+ { title => 'I Got Surgery and am now Popular', year => 2007 }
+
+ ]
+ },
+ { name => 'Like I Give a DamnC' },
+
+ { name => 'bbbbC', cds => [
+ { title => 'xxxaaa' ,year => 2005 },
+ ]
+ },
+
+ ] );
+
+ isa_ok( $crap, 'DBICTest::Artist', "Got 'Artist'");
+ isa_ok( $damn, 'DBICTest::Artist', "Got 'Artist'");
+ isa_ok( $girl, 'DBICTest::Artist', "Got 'Artist'");
+ isa_ok( $xxxaaa, 'DBICTest::Artist', "Got 'Artist'");
+
+ ok( $crap->name eq 'Manufactured CrapC', "Got Correct name for result object");
+ ok( $girl->name eq 'Angsty-Whiny GirlC', "Got Correct name for result object");
+ ok( $xxxaaa->name eq 'bbbbC', "Got Correct name for result object");
+
+ ok( $crap->cds->count == 2, "got Expected Number of Cds");
+ ok( $girl->cds->count == 3, "got Expected Number of Cds");
+}
+