Revision history for DBIx::Class
+0.08107 2009-06-14 08:21:00 (UTC)
+ - Fix serialization regression introduced in 0.08103 (affects
+ Cursor::Cached)
+ - POD fixes
+ - Fixed incomplete ::Replicated debug output
+
0.08106 2009-06-11 21:42:00 (UTC)
- Switched SQLite storage driver to DateTime::Format::SQLite
(proper timezone handling)
# i.e. first release of 0.XX *must* be 0.XX000. This avoids fBSD ports
# brain damage and presumably various other packaging systems too
-$VERSION = '0.08106';
+$VERSION = '0.08107';
$VERSION = eval $VERSION; # numify for warning-free dev releases
my $attrs = $self->_resolved_attrs_copy;
- my ($sqlbind, $bind_attrs) = $self->result_source->storage
+ # For future use:
+ #
+ # in list ctx:
+ # my ($sql, \@bind, \%dbi_bind_attrs) = _select_args_to_query (...)
+ # $sql also has no wrapping parenthesis in list ctx
+ #
+ my $sqlbind = $self->result_source->storage
->_select_args_to_query ($attrs->{from}, $attrs->{select}, $attrs->{where}, $attrs);
return $sqlbind;
$attrs->{from}
||
[{
- -result_source => $source,
+ -source_handle => $source->handle,
-alias => $attrs->{alias},
$attrs->{alias} => $source->from,
}]
}
$attrs->{from} ||= [ {
- -result_source => $source,
+ -source_handle => $source->handle,
-alias => $self->{attrs}{alias},
$self->{attrs}{alias} => $source->from,
} ];
# SELECT child.* FROM person child
# INNER JOIN person father ON child.father_id = father.id
-If you need to express really complex joins or you need a subselect, you
+You can select from a subquery by passing a resultset to from as follows.
+
+ $schema->resultset('Artist')->search(
+ undef,
+ { alias => 'artist2',
+ from => [ { artist2 => $artist_rs->as_query } ],
+ } );
+
+ # and you'll get sql like this..
+ # SELECT artist2.artistid, artist2.name, artist2.rank, artist2.charfield FROM
+ # ( SELECT me.artistid, me.name, me.rank, me.charfield FROM artists me ) artist2
+
+If you need to express really complex joins, you
can supply literal SQL to C<from> via a scalar reference. In this case
-the contents of the scalar will replace the table name asscoiated with the
+the contents of the scalar will replace the table name associated with the
resultsource.
WARNING: This technique might very well not work as expected on chained
my $rel_src = $self->related_source($join);
return [ { $as => $rel_src->from,
- -result_source => $rel_src,
+ -source_handle => $rel_src->handle,
-join_type => $type,
-join_path => [@$jpath, $join],
-alias => $as,
Inserts a new row into the database, as a copy of the original
object. If a hashref of replacement data is supplied, these will take
-precedence over data in the original.
+precedence over data in the original. Also any columns which have
+the L<column info attribute|DBIx::Class::ResultSource/add_columns>
+C<< is_auto_increment => 1 >> are explicitly removed before the copy,
+so that the database can insert its own autoincremented values into
+the new object.
Relationships will be followed by the copy procedure B<only> if the
relationship specifes a true value for its
sub _select {
my $self = shift;
+
+ # localization is neccessary as
+ # 1) there is no infrastructure to pass this around (easy to do, but will wait)
+ # 2) _select_args sets it and _prep_for_execute consumes it
my $sql_maker = $self->sql_maker;
local $sql_maker->{for};
+
return $self->_execute($self->_select_args(@_));
}
sub _select_args_to_query {
my $self = shift;
+ # localization is neccessary as
+ # 1) there is no infrastructure to pass this around (easy to do, but will wait)
+ # 2) _select_args sets it and _prep_for_execute consumes it
my $sql_maker = $self->sql_maker;
local $sql_maker->{for};
- # my ($op, $bind, $ident, $bind_attrs, $select, $cond, $order, $rows, $offset)
+ # my ($op, $bind, $ident, $bind_attrs, $select, $cond, $order, $rows, $offset)
# = $self->_select_args($ident, $select, $cond, $attrs);
my ($op, $bind, $ident, $bind_attrs, @args) =
$self->_select_args(@_);
- # my ($sql, $bind) = $self->_prep_for_execute($op, $bind, $ident, [ $select, $cond, $order, $rows, $offset ]);
+ # my ($sql, $prepared_bind) = $self->_prep_for_execute($op, $bind, $ident, [ $select, $cond, $order, $rows, $offset ]);
my ($sql, $prepared_bind) = $self->_prep_for_execute($op, $bind, $ident, \@args);
+ $prepared_bind ||= [];
- return \[ "($sql)", @{ $prepared_bind || [] }];
+ return wantarray
+ ? ($sql, $prepared_bind, $bind_attrs)
+ : \[ "($sql)", @$prepared_bind ]
+ ;
}
sub _select_args {
my ($self, $ident, $select, $condition, $attrs) = @_;
- my $for = delete $attrs->{for};
my $sql_maker = $self->sql_maker;
- $sql_maker->{for} = $for;
+ $sql_maker->{for} = delete $attrs->{for};
my $order = { map
{ $attrs->{$_} ? ( $_ => $attrs->{$_} ) : () }
$tabinfo = $_->[0];
}
- $alias2source->{$tabinfo->{-alias}} = $tabinfo->{-result_source}
- if ($tabinfo->{-result_source});
+ $alias2source->{$tabinfo->{-alias}} = $tabinfo->{-source_handle}->resolve
+ if ($tabinfo->{-source_handle});
}
}
$res = $self->$next($info, @extra);
}
- # May have to reapply role if master will be reblessed to a more specific
- # driver.
- $self->master->_determine_driver;
- DBIx::Class::Storage::DBI::Replicated::WithDSN->meta->apply($self->master);
+ # Make sure master is blessed into the correct class and apply role to it.
+ my $master = $self->master;
+ $master->_determine_driver;
+ Moose::Meta::Class->initialize(ref $master);
+ DBIx::Class::Storage::DBI::Replicated::WithDSN->meta->apply($master);
$wantarray ? @res : $res;
};
sub _build_master {
my $self = shift @_;
my $master = DBIx::Class::Storage::DBI->new($self->schema);
- DBIx::Class::Storage::DBI::Replicated::WithDSN->meta->apply($master);
$master
}
use warnings;
use Test::More;
+use Test::Exception;
use lib qw(t/lib);
use DBICTest;
use Storable qw(dclone freeze thaw);
},
);
-plan tests => (7 * keys %stores);
+plan tests => (11 * keys %stores);
for my $name (keys %stores) {
my $store = $stores{$name};
+ my $copy;
my $artist = $schema->resultset('Artist')->find(1);
DBICTest::CD->result_source_instance->schema(undef);
}
- my $copy = eval { $store->($artist) };
+ lives_ok { $copy = $store->($artist) } "serialize row object lives: $name";
is_deeply($copy, $artist, "serialize row object works: $name");
- # Test that an object with a related_resultset can be serialized.
- my @cds = $artist->related_resultset("cds");
+ my $cd_rs = $artist->search_related("cds");
+
+ # test that a result source can be serialized as well
+
+ $cd_rs->_resolved_attrs; # this builds up the {from} attr
+ lives_ok {
+ $copy = $store->($cd_rs);
+ is_deeply (
+ [ $copy->all ],
+ [ $cd_rs->all ],
+ "serialize resultset works: $name",
+ );
+ } "serialize resultset lives: $name";
+
+ # Test that an object with a related_resultset can be serialized.
ok $artist->{related_resultsets}, 'has key: related_resultsets';
- $copy = eval { $store->($artist) };
+ lives_ok { $copy = $store->($artist) } "serialize row object with related_resultset lives: $name";
for my $key (keys %$artist) {
next if $key eq 'related_resultsets';
next if $key eq '_inflated_column';
is_deeply($copy->{$key}, $artist->{$key},
qq[serialize with related_resultset "$key"]);
}
-
+
ok eval { $copy->discard_changes; 1 } or diag $@;
is($copy->id, $artist->id, "IDs still match ");
}
projects / dbsrgits/DBIx-Class.git / commitdiff