From: Amiri Barksdale <amiribarksdale@gmail.com>
Date: Tue, 1 Jun 2010 15:21:35 +0000 (+0000)
Subject: Change ViewDeps schema to use meaningful tables; use the number of views a view depen... 
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=7364d776a7926a47d74fb503ca546bec719e88f3;p=dbsrgits%2FDBIx-Class-Historic.git

Change ViewDeps schema to use meaningful tables; use the number of views a view depends_on to do the sorting.
---

diff --git a/lib/DBIx/Class/ResultSource/View.pm b/lib/DBIx/Class/ResultSource/View.pm
index 1757924..cb20f2c 100644
--- a/lib/DBIx/Class/ResultSource/View.pm
+++ b/lib/DBIx/Class/ResultSource/View.pm
@@ -135,27 +135,11 @@ syntaxes.
       "MyDB::Schema::Result::Year","MyDB::Schema::Result::CD"
       );
 
-Specify the result classes that comprise this view. Pass this
-method a list.
+Specify the result classes or other views that comprise this view.
+Pass this method an array reference.
 
 =head1 OVERRIDDEN METHODS
 
-=head2 new
-
-The constructor. This is a private method, as only other DBIC modules
-should call this.
-
-=cut
-
-sub new {
-    my ( $self, @args ) = @_;
-    my $new = $self->next::method(@args);
-    $new->{deploy_depends_on}
-        = { map { $_->result_source_instance->name => 1 } @{ $new->{deploy_depends_on}||[] } }
-        unless ref $new->{deploy_depends_on} eq 'HASH';
-    return $new;
-}
-
 =head2 from
 
 Returns the FROM entry for the table (i.e. the view name)
@@ -169,14 +153,14 @@ sub from {
     return $self->name;
 }
 
-=head1 PRIVATE METHODS
-
-=head2 deploy_depends_on
-
-An internal method for the construction of a hashref of the view's
-superclasses, e.g., the sources that comprise it.
-
-=cut
+sub new {
+    my ( $self, @args ) = @_;
+    my $new = $self->next::method(@args);
+    $new->{deploy_depends_on}
+        = { map { $_->result_source_instance->name => 1 } @{ $new->{deploy_depends_on}||[] } }
+        unless ref $new->{deploy_depends_on} eq 'HASH';
+    return $new;
+}
 
 1;
 
diff --git a/lib/SQL/Translator/Parser/DBIx/Class.pm b/lib/SQL/Translator/Parser/DBIx/Class.pm
index 073a45c..433a27f 100644
--- a/lib/SQL/Translator/Parser/DBIx/Class.pm
+++ b/lib/SQL/Translator/Parser/DBIx/Class.pm
@@ -301,11 +301,11 @@ EOW
 
     my @view_sources =
     sort {
-        keys %{ $dependencies->{$a} || {} }
+        keys %{ $a->deploy_depends_on || {} }
         <=>
-        keys %{ $dependencies->{$b} || {} }
+        keys %{ $b->deploy_depends_on || {} }
         ||
-        $a cmp $b
+        $a->source_name cmp $b->source_name
     }
     map { $dbicschema->source($_) }
     keys %view_monikers;
diff --git a/t/105view_deps.t b/t/105view_deps.t
index e55d2a6..4900bf6 100644
--- a/t/105view_deps.t
+++ b/t/105view_deps.t
@@ -7,6 +7,8 @@ use Test::More;
 use Test::Exception;
 use lib qw(t/lib);
 use ViewDeps;
+use Devel::Dwarn;
+use Data::Dumper;
 
 BEGIN {
     use_ok('DBIx::Class::ResultSource::View');
@@ -26,43 +28,46 @@ can_ok( $view, $_ ) for qw/new from deploy_depends_on/;
 my $schema = ViewDeps->connect;
 ok( $schema, 'Connected to ViewDeps schema OK' );
 
-
-my $bar_rs = $schema->resultset('Bar');
-
-my @bar_deps
-    = keys %{ $schema->resultset('Bar')->result_source->deploy_depends_on };
-
-my @foo_deps
-    = keys %{ $schema->resultset('Foo')->result_source->deploy_depends_on };
-
-isa_ok( $schema->resultset('Bar')->result_source,
-    'DBIx::Class::ResultSource::View', 'Bar' );
-
-is( $bar_deps[0], 'baz',   'which is reported to depend on baz...' );
-is( $bar_deps[1], 'mixin', 'and on mixin.' );
-is( $foo_deps[0], undef,   'Foo has no declared dependencies...' );
-
-
-
-isa_ok(
-    $schema->resultset('Foo')->result_source,
-    'DBIx::Class::ResultSource::View',
-    'though Foo'
-);
-isa_ok(
-    $schema->resultset('Baz')->result_source,
-    'DBIx::Class::ResultSource::Table',
-    "Baz on the other hand"
-);
-dies_ok {
-    ViewDeps::Result::Baz->result_source_instance
-        ->deploy_depends_on("ViewDeps::Result::Mixin");
-}
-"...and you cannot use deploy_depends_on with that";
-
-is(ViewDeps->source('Foo')->view_definition, $schema->resultset('Bar')->result_source->view_definition, "Package Foo's view definition is equivalent to resultset Bar's view definition");
+my $deps_ref = {
+    map {
+        $schema->resultset($_)->result_source->source_name =>
+            $schema->resultset($_)->result_source->deploy_depends_on
+        }
+        grep {
+        $schema->resultset($_)
+            ->result_source->isa('DBIx::Class::ResultSource::View')
+        } @{ [ $schema->sources ] }
+};
+
+diag( Dwarn $deps_ref);
+
+
+#isa_ok( $schema->resultset('Bar')->result_source,
+#'DBIx::Class::ResultSource::View', 'Bar' );
+
+#is( $bar_deps[0], 'baz',   'which is reported to depend on baz...' );
+#is( $bar_deps[1], 'mixin', 'and on mixin.' );
+#is( $foo_deps[0], undef,   'Foo has no declared dependencies...' );
+
+#isa_ok(
+#$schema->resultset('Foo')->result_source,
+#'DBIx::Class::ResultSource::View',
+#'though Foo'
+#);
+#isa_ok(
+#$schema->resultset('Baz')->result_source,
+#'DBIx::Class::ResultSource::Table',
+#"Baz on the other hand"
+#);
+#dies_ok {
+#ViewDeps::Result::Baz->result_source_instance
+#->deploy_depends_on("ViewDeps::Result::Mixin");
+#}
+#"...and you cannot use deploy_depends_on with that";
+
+### DEPLOY
 
 my $dir = "t/sql";
-$schema->create_ddl_dir( ['PostgreSQL','SQLite'], 0.1, $dir );
+$schema->create_ddl_dir( [ 'PostgreSQL', 'SQLite' ], 0.1, $dir );
 
 done_testing;
diff --git a/t/lib/ViewDeps.pm b/t/lib/ViewDeps.pm
index 05fea95..aa3f588 100644
--- a/t/lib/ViewDeps.pm
+++ b/t/lib/ViewDeps.pm
@@ -4,7 +4,7 @@ package # hide from PAUSE
 
 use strict;
 use warnings;
-use parent qw(DBIx::Class::Schema);
+use base 'DBIx::Class::Schema';
 
 __PACKAGE__->load_namespaces;
 
diff --git a/t/lib/ViewDeps/Result/ANameArtists.pm b/t/lib/ViewDeps/Result/ANameArtists.pm
new file mode 100644
index 0000000..e6fbb0f
--- /dev/null
+++ b/t/lib/ViewDeps/Result/ANameArtists.pm
@@ -0,0 +1,25 @@
+package    # hide from PAUSE
+    ViewDeps::Result::ANameArtists;
+
+use strict;
+use warnings;
+use base 'DBIx::Class::Core';
+
+__PACKAGE__->table_class('DBIx::Class::ResultSource::View');
+__PACKAGE__->table('a_name_artists');
+__PACKAGE__->result_source_instance->view_definition(
+    "SELECT id,name FROM artist WHERE name like 'a%'"
+);
+
+__PACKAGE__->add_columns(
+    id   => { data_type => 'integer', is_auto_increment => 1 },
+    name => { data_type => 'text' },
+);
+
+__PACKAGE__->set_primary_key('id');
+
+__PACKAGE__->has_many( 'cds', 'ViewDeps::Result::CD',
+    { "foreign.artist" => "self.id" },
+);
+
+1;
diff --git a/t/lib/ViewDeps/Result/AbNameArtists.pm b/t/lib/ViewDeps/Result/AbNameArtists.pm
new file mode 100644
index 0000000..3651a5b
--- /dev/null
+++ b/t/lib/ViewDeps/Result/AbNameArtists.pm
@@ -0,0 +1,28 @@
+package    # hide from PAUSE
+    ViewDeps::Result::AbNameArtists;
+
+use strict;
+use warnings;
+use base 'DBIx::Class::Core';
+
+__PACKAGE__->table_class('DBIx::Class::ResultSource::View');
+__PACKAGE__->table('ab_name_artists');
+__PACKAGE__->result_source_instance->view_definition(
+    "SELECT id,name FROM a_name_artists WHERE name like 'ab%'"
+);
+__PACKAGE__->result_source_instance->deploy_depends_on(
+    ["ViewDeps::Result::ANameArtists"]
+);
+
+__PACKAGE__->add_columns(
+    id   => { data_type => 'integer', is_auto_increment => 1 },
+    name => { data_type => 'text' },
+);
+
+__PACKAGE__->set_primary_key('id');
+
+__PACKAGE__->has_many( 'cds', 'ViewDeps::Result::CD',
+    { "foreign.artist" => "self.id" },
+);
+
+1;
diff --git a/t/lib/ViewDeps/Result/AbaNameArtists.pm b/t/lib/ViewDeps/Result/AbaNameArtists.pm
new file mode 100644
index 0000000..fc989f6
--- /dev/null
+++ b/t/lib/ViewDeps/Result/AbaNameArtists.pm
@@ -0,0 +1,26 @@
+package    # hide from PAUSE
+    ViewDeps::Result::AbaNameArtists;
+
+use strict;
+use warnings;
+use base 'DBIx::Class::Core';
+
+__PACKAGE__->table_class('DBIx::Class::ResultSource::View');
+__PACKAGE__->table('aba_name_artists');
+__PACKAGE__->result_source_instance->view_definition(
+    "SELECT id,name FROM ab_name_artists WHERE name like 'aba%'" );
+__PACKAGE__->result_source_instance->deploy_depends_on(
+    ["ViewDeps::Result::AbNameArtists"] );
+
+__PACKAGE__->add_columns(
+    id   => { data_type => 'integer', is_auto_increment => 1 },
+    name => { data_type => 'text' },
+);
+
+__PACKAGE__->set_primary_key('id');
+
+__PACKAGE__->has_many( 'cds', 'ViewDeps::Result::CD',
+    { "foreign.artist" => "self.id" },
+);
+
+1;
diff --git a/t/lib/ViewDeps/Result/AbaNameArtistsAnd2010CDsWithManyTracks.pm b/t/lib/ViewDeps/Result/AbaNameArtistsAnd2010CDsWithManyTracks.pm
new file mode 100644
index 0000000..83c651b
--- /dev/null
+++ b/t/lib/ViewDeps/Result/AbaNameArtistsAnd2010CDsWithManyTracks.pm
@@ -0,0 +1,26 @@
+package    # hide from PAUSE
+    ViewDeps::Result::AbaNameArtistsAnd2010CDsWithManyTracks;
+
+use strict;
+use warnings;
+use base 'DBIx::Class::Core';
+
+__PACKAGE__->table_class('DBIx::Class::ResultSource::View');
+__PACKAGE__->table('aba_name_artists_and_2010_cds_with_many_tracks');
+__PACKAGE__->result_source_instance->view_definition(
+    "SELECT aba.id,aba.name,cd.title,cd.year,cd.number_tracks FROM aba_name_artists aba JOIN year_2010_cds_with_many_tracks cd on (aba.id = cd.artist)"
+);
+__PACKAGE__->result_source_instance->deploy_depends_on(
+    ["ViewDeps::Result::AbNameArtists","ViewDeps::Result::Year2010CDsWithManyTracks"] );
+
+__PACKAGE__->add_columns(
+    id            => { data_type => 'integer', is_auto_increment => 1 },
+    name          => { data_type => 'text' },
+    title         => { data_type => 'text' },
+    year          => { data_type => 'integer' },
+    number_tracks => { data_type => 'integer' },
+);
+
+__PACKAGE__->set_primary_key('id');
+
+1;
diff --git a/t/lib/ViewDeps/Result/Artist.pm b/t/lib/ViewDeps/Result/Artist.pm
new file mode 100644
index 0000000..276288d
--- /dev/null
+++ b/t/lib/ViewDeps/Result/Artist.pm
@@ -0,0 +1,21 @@
+package    # hide from PAUSE
+    ViewDeps::Result::Artist;
+
+use strict;
+use warnings;
+use base 'DBIx::Class::Core';
+
+__PACKAGE__->table('artist');
+
+__PACKAGE__->add_columns(
+    id   => { data_type => 'integer', is_auto_increment => 1 },
+    name => { data_type => 'text' },
+);
+
+__PACKAGE__->set_primary_key('id');
+
+__PACKAGE__->has_many( 'cds', 'ViewDeps::Result::CD',
+    { "foreign.artist" => "self.id" },
+);
+
+1;
diff --git a/t/lib/ViewDeps/Result/Artwork.pm b/t/lib/ViewDeps/Result/Artwork.pm
new file mode 100644
index 0000000..056bdb8
--- /dev/null
+++ b/t/lib/ViewDeps/Result/Artwork.pm
@@ -0,0 +1,22 @@
+package    # hide from PAUSE
+    ViewDeps::Result::Artwork;
+
+use strict;
+use warnings;
+use base 'DBIx::Class::Core';
+
+__PACKAGE__->table('artwork');
+
+__PACKAGE__->add_columns(
+    id            => { data_type => 'integer', is_auto_increment => 1 },
+    cd         => { data_type => 'integer' },
+    file          => { data_type => 'text' },
+);
+
+__PACKAGE__->set_primary_key('id');
+
+__PACKAGE__->belongs_to( 'cd', 'ViewDeps::Result::CD',
+    { "foreign.id" => "self.cd" },
+);
+
+1;
diff --git a/t/lib/ViewDeps/Result/CD.pm b/t/lib/ViewDeps/Result/CD.pm
new file mode 100644
index 0000000..c69f4b3
--- /dev/null
+++ b/t/lib/ViewDeps/Result/CD.pm
@@ -0,0 +1,28 @@
+package    # hide from PAUSE
+    ViewDeps::Result::CD;
+
+use strict;
+use warnings;
+use base 'DBIx::Class::Core';
+
+__PACKAGE__->table('cd');
+
+__PACKAGE__->add_columns(
+    id            => { data_type => 'integer', is_auto_increment => 1 },
+    title         => { data_type => 'text' },
+    artist        => { data_type => 'integer', is_nullable       => 0 },
+    year          => { data_type => 'integer' },
+    number_tracks => { data_type => 'integer' },
+);
+
+__PACKAGE__->set_primary_key('id');
+
+__PACKAGE__->belongs_to( 'artist', 'ViewDeps::Result::Artist',
+    { "foreign.id" => "self.artist" },
+);
+
+__PACKAGE__->has_many( 'tracks', 'ViewDeps::Result::Track',
+    { "foreign.cd" => "self.id" },
+);
+
+1;
diff --git a/t/lib/ViewDeps/Result/Track.pm b/t/lib/ViewDeps/Result/Track.pm
new file mode 100644
index 0000000..62b1b99
--- /dev/null
+++ b/t/lib/ViewDeps/Result/Track.pm
@@ -0,0 +1,23 @@
+package    # hide from PAUSE
+    ViewDeps::Result::Track;
+
+use strict;
+use warnings;
+use base 'DBIx::Class::Core';
+
+__PACKAGE__->table('track');
+
+__PACKAGE__->add_columns(
+    id           => { data_type => 'integer', is_auto_increment => 1 },
+    title        => { data_type => 'text' },
+    cd           => { data_type => 'integer' },
+    track_number => { data_type => 'integer' },
+);
+
+__PACKAGE__->set_primary_key('id');
+
+__PACKAGE__->belongs_to( 'cd', 'ViewDeps::Result::CD',
+    { "foreign.id" => "self.cd" },
+);
+
+1;
diff --git a/t/lib/ViewDeps/Result/TrackNumberFives.pm b/t/lib/ViewDeps/Result/TrackNumberFives.pm
new file mode 100644
index 0000000..fc4a47b
--- /dev/null
+++ b/t/lib/ViewDeps/Result/TrackNumberFives.pm
@@ -0,0 +1,26 @@
+package    # hide from PAUSE
+    ViewDeps::Result::TrackNumberFives;
+
+use strict;
+use warnings;
+use base 'ViewDeps::Result::Track';
+
+__PACKAGE__->table_class('DBIx::Class::ResultSource::View');
+__PACKAGE__->table('track_number_fives');
+__PACKAGE__->result_source_instance->view_definition(
+    "SELECT id,title,cd,track_number FROM track WHERE track_number = '5'");
+
+__PACKAGE__->add_columns(
+    id           => { data_type => 'integer', is_auto_increment => 1 },
+    title        => { data_type => 'text' },
+    cd           => { data_type => 'integer' },
+    track_number => { data_type => 'integer' },
+);
+
+__PACKAGE__->set_primary_key('id');
+
+__PACKAGE__->belongs_to( 'cd', 'ViewDeps::Result::CD',
+    { "foreign.id" => "self.cd" },
+);
+
+1;
diff --git a/t/lib/ViewDeps/Result/Year2010CDs.pm b/t/lib/ViewDeps/Result/Year2010CDs.pm
new file mode 100644
index 0000000..2706fae
--- /dev/null
+++ b/t/lib/ViewDeps/Result/Year2010CDs.pm
@@ -0,0 +1,31 @@
+package    # hide from PAUSE
+    ViewDeps::Result::Year2010CDs;
+
+use strict;
+use warnings;
+use base 'DBIx::Class::Core';
+
+__PACKAGE__->table_class('DBIx::Class::ResultSource::View');
+__PACKAGE__->table('year_2010_cds');
+__PACKAGE__->result_source_instance->view_definition(
+    "SELECT id,title,artist,year,number_tracks FROM cd WHERE year = '2010'");
+
+__PACKAGE__->add_columns(
+    id            => { data_type => 'integer', is_auto_increment => 1 },
+    title         => { data_type => 'text' },
+    artist        => { data_type => 'integer', is_nullable       => 0 },
+    year          => { data_type => 'integer' },
+    number_tracks => { data_type => 'integer' },
+);
+
+__PACKAGE__->set_primary_key('id');
+
+__PACKAGE__->belongs_to( 'artist', 'ViewDeps::Result::Artist',
+    { "foreign.id" => "self.artist" },
+);
+
+__PACKAGE__->has_many( 'tracks', 'ViewDeps::Result::Track',
+    { "foreign.cd" => "self.id" },
+);
+
+1;
diff --git a/t/lib/ViewDeps/Result/Year2010CDsWithManyTracks.pm b/t/lib/ViewDeps/Result/Year2010CDsWithManyTracks.pm
new file mode 100644
index 0000000..990fea7
--- /dev/null
+++ b/t/lib/ViewDeps/Result/Year2010CDsWithManyTracks.pm
@@ -0,0 +1,36 @@
+package    # hide from PAUSE
+    ViewDeps::Result::Year2010CDsWithManyTracks;
+
+use strict;
+use warnings;
+use base 'ViewDeps::Result::Year2010CDs';
+
+__PACKAGE__->table_class('DBIx::Class::ResultSource::View');
+__PACKAGE__->table('year_2010_cds_with_many_tracks');
+__PACKAGE__->result_source_instance->view_definition(
+    "SELECT cd.id,cd.title,cd.artist,cd.year,cd.number_tracks,artwork.id FROM year_2010_cds cd,artwork artwork WHERE cd.number_tracks > 10 AND artwork.cd = cd.id"
+);
+
+__PACKAGE__->result_source_instance->deploy_depends_on(
+    ["ViewDeps::Result::Year2010CDs"] );
+
+__PACKAGE__->add_columns(
+    id            => { data_type => 'integer', is_auto_increment => 1 },
+    title         => { data_type => 'text' },
+    artist        => { data_type => 'integer', is_nullable       => 0 },
+    year          => { data_type => 'integer' },
+    number_tracks => { data_type => 'integer' },
+    artwork       => { data_type => 'integer' },
+);
+
+__PACKAGE__->set_primary_key('id');
+
+__PACKAGE__->belongs_to( 'artist', 'ViewDeps::Result::Artist',
+    { "foreign.id" => "self.artist" },
+);
+
+__PACKAGE__->has_many( 'tracks', 'ViewDeps::Result::Track',
+    { "foreign.cd" => "self.id" },
+);
+
+1;