use base qw/DBIx::Class/;
use Carp::Clan qw/^DBIx::Class/;
use DBIx::Class::Exception;
-use Data::Page;
-use Storable;
use DBIx::Class::ResultSetColumn;
-use DBIx::Class::ResultSourceHandle;
-use Hash::Merge ();
use Scalar::Util qw/blessed weaken/;
use Try::Tiny;
-use Storable qw/nfreeze thaw/;
# not importing first() as it will clash with our own method
use List::Util ();
'bool' => "_bool",
fallback => 1;
-__PACKAGE__->mk_group_accessors('simple' => qw/_result_class _source_handle/);
+__PACKAGE__->mk_group_accessors('simple' => qw/_result_class result_source/);
=head1 NAME
year => $request->param('year'),
});
- $self->apply_security_policy( $cd_rs );
+ $cd_rs = $self->apply_security_policy( $cd_rs );
return $cd_rs->all();
}
return $class->new_result(@_) if ref $class;
my ($source, $attrs) = @_;
- $source = $source->handle
- unless $source->isa('DBIx::Class::ResultSourceHandle');
+ $source = $source->resolve
+ if $source->isa('DBIx::Class::ResultSourceHandle');
$attrs = { %{$attrs||{}} };
if ($attrs->{page}) {
$attrs->{alias} ||= 'me';
- # Creation of {} and bless separated to mitigate RH perl bug
- # see https://bugzilla.redhat.com/show_bug.cgi?id=196836
- my $self = {
- _source_handle => $source,
+ my $self = bless {
+ result_source => $source,
cond => $attrs->{where},
pager => undef,
- attrs => $attrs
- };
-
- bless $self, $class;
+ attrs => $attrs,
+ }, $class;
$self->result_class(
- $attrs->{result_class} || $source->resolve->result_class
+ $attrs->{result_class} || $source->result_class
);
- return $self;
+ $self;
}
=head2 search
}++;
push @unique_queries, try {
- $self->_build_unique_cond ($c_name, $call_cond)
+ $self->_build_unique_cond ($c_name, $call_cond, 'croak_on_nulls')
} || ();
}
return \%aliased;
}
+my $callsites_warned_ucond;
sub _build_unique_cond {
- my ($self, $constraint_name, $extra_cond) = @_;
+ my ($self, $constraint_name, $extra_cond, $croak_on_null) = @_;
my @c_cols = $self->result_source->unique_constraint_columns($constraint_name);
};
# trim out everything not in $columns
- $final_cond = { map { $_ => $final_cond->{$_} } @c_cols };
-
- if (my @missing = grep { ! defined $final_cond->{$_} } (@c_cols) ) {
+ $final_cond = { map {
+ exists $final_cond->{$_}
+ ? ( $_ => $final_cond->{$_} )
+ : ()
+ } @c_cols };
+
+ if (my @missing = grep
+ { ! ($croak_on_null ? defined $final_cond->{$_} : exists $final_cond->{$_}) }
+ (@c_cols)
+ ) {
$self->throw_exception( sprintf ( "Unable to satisfy requested constraint '%s', no values for column(s): %s",
$constraint_name,
join (', ', map { "'$_'" } @missing),
) );
}
+ if (
+ !$croak_on_null
+ and
+ !$ENV{DBIC_NULLABLE_KEY_NOWARN}
+ and
+ my @undefs = grep { ! defined $final_cond->{$_} } (keys %$final_cond)
+ ) {
+ my $callsite = do {
+ my $w;
+ local $SIG{__WARN__} = sub { $w = shift };
+ carp;
+ $w
+ };
+
+ carp ( sprintf (
+ "NULL/undef values supplied for requested unique constraint '%s' (NULL "
+ . 'values in column(s): %s). This is almost certainly not what you wanted, '
+ . 'though you can set DBIC_NULLABLE_KEY_NOWARN to disable this warning.',
+ $constraint_name,
+ join (', ', map { "'$_'" } @undefs),
+ )) unless $callsites_warned_ucond->{$callsite}++;
+ }
+
return $final_cond;
}
### necessary for future development of DBIx::DS. Do *NOT* change this code
### before talking to ribasushi/mst
+ require Data::Page;
my $pager = Data::Page->new(
0, #start with an empty set
$attrs->{rows},
@$cols_from_relations
? (-cols_from_relations => $cols_from_relations)
: (),
- -source_handle => $self->_source_handle,
-result_source => $self->result_source, # DO NOT REMOVE THIS, REQUIRED
);
return $fresh_rs->search( {}, {
from => [{
$attrs->{alias} => $self->as_query,
- -alias => $attrs->{alias},
- -source_handle => $self->result_source->handle,
+ -alias => $attrs->{alias},
+ -rsrc => $self->result_source,
}],
alias => $attrs->{alias},
});
);
$from = [{
- -source_handle => $source->handle,
- -alias => $attrs->{alias},
+ -rsrc => $source,
+ -alias => $attrs->{alias},
$attrs->{alias} => $rs_copy->as_query,
}];
delete @{$attrs}{@force_subq_attrs, qw/where bind/};
}
else {
$from = [{
- -source_handle => $source->handle,
+ -rsrc => $source,
-alias => $attrs->{alias},
$attrs->{alias} => $source->from,
}];
$attrs->{as} = \@as;
$attrs->{from} ||= [{
- -source_handle => $source->handle,
- -alias => $self->{attrs}{alias},
+ -rsrc => $source,
+ -alias => $self->{attrs}{alias},
$self->{attrs}{alias} => $source->from,
}];
sub _merge_attr {
$hm ||= do {
+ require Hash::Merge;
my $hm = Hash::Merge->new;
$hm->specify_behavior({
}
}
-sub result_source {
- my $self = shift;
-
- if (@_) {
- $self->_source_handle($_[0]->handle);
- } else {
- $self->_source_handle->resolve;
- }
-}
-
-
sub STORABLE_freeze {
my ($self, $cloning) = @_;
my $to_serialize = { %$self };
# A cursor in progress can't be serialized (and would make little sense anyway)
delete $to_serialize->{cursor};
- return nfreeze($to_serialize);
+ Storable::nfreeze($to_serialize);
}
# need this hook for symmetry
sub STORABLE_thaw {
my ($self, $cloning, $serialized) = @_;
- %$self = %{ thaw($serialized) };
+ %$self = %{ Storable::thaw($serialized) };
- return $self;
+ $self;
}
sub throw_exception {
my $self=shift;
- if (ref $self && $self->_source_handle->schema) {
- $self->_source_handle->schema->throw_exception(@_)
+ if (ref $self and my $rsrc = $self->result_source) {
+ $rsrc->throw_exception(@_)
}
else {
DBIx::Class::Exception->throw(@_);
column (or relationship) accessor, and 'name' is the name of the column
accessor in the related table.
+B<NOTE:> You need to explicitly quote '+columns' when defining the attribute.
+Not doing so causes Perl to incorrectly interpret +columns as a bareword with a
+unary plus operator before it.
+
=head2 include_columns
=over 4
e.g. an C<ORDER BY> clause. This is done via the C<-as> B<select function
attribute> supplied as shown in the example above.
+B<NOTE:> You need to explicitly quote '+select'/'+as' when defining the attributes.
+Not doing so causes Perl to incorrectly interpret them as a bareword with a
+unary plus operator before it.
+
=head2 +select
=over 4
identical to creating a non-pages resultset and then calling ->page($page)
on it.
-If L<rows> attribute is not specified it defaults to 10 rows per page.
+If L</rows> attribute is not specified it defaults to 10 rows per page.
When you have a paged resultset, L</count> will only return the number
of rows in the page. To get the total, use the L</pager> and call
projects / dbsrgits/DBIx-Class.git / blobdiff