X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FSchema%2FVersioned.pm;h=2ff160f5c033221707716af8c911f11f0025071c;hb=da0dd7dc8c18f051d39733703d3790af65c9842e;hp=036d4521fa71b1541fb8ecb5a2e6cfb4274340af;hpb=fb50ae66893dadd76a192a53e65d5d9ba171d1f3;p=dbsrgits%2FDBIx-Class.git

diff --git a/lib/DBIx/Class/Schema/Versioned.pm b/lib/DBIx/Class/Schema/Versioned.pm
index 036d452..2ff160f 100644
--- a/lib/DBIx/Class/Schema/Versioned.pm
+++ b/lib/DBIx/Class/Schema/Versioned.pm
@@ -96,10 +96,31 @@ this will attempt to upgrade the database from its current version to the curren
 schema version using a diff from your I<upgrade_directory>. If a suitable diff is
 not found then no upgrade is possible.
 
-NB: At the moment, only SQLite and MySQL are supported. This is due to
-spotty behaviour in the SQL::Translator producers, please help us by
-enhancing them. Ask on the mailing list or IRC channel for details (community details
-in L<DBIx::Class>).
+=head1 SEE ALSO
+
+L<DBIx::Class::DeploymentHandler> is a much more powerful alternative to this
+module.  Examples of things it can do that this module cannot do include
+
+=over
+
+=item *
+
+Downgrades in addition to upgrades
+
+=item *
+
+Multiple sql files files per upgrade/downgrade/install
+
+=item *
+
+Perl scripts allowed for upgrade/downgrade/install
+
+=item *
+
+Just one set of files needed for upgrade, unlike this module where one might
+need to generate C<factorial(scalar @versions)>
+
+=back
 
 =head1 GETTING STARTED
 
@@ -568,23 +589,22 @@ sub _on_connect
 {
   my ($self) = @_;
 
-  my $info = $self->storage->connect_info;
-  my $args = $info->[-1];
+  my $conn_info = $self->storage->connect_info;
+  $self->{vschema} = DBIx::Class::Version->connect(@$conn_info);
+  my $conn_attrs = $self->{vschema}->storage->_dbic_connect_attributes || {};
 
-  $self->{vschema} = DBIx::Class::Version->connect(@$info);
   my $vtable = $self->{vschema}->resultset('Table');
 
   # useful when connecting from scripts etc
-  return if ($args->{ignore_version} || ($ENV{DBIC_NO_VERSION_CHECK} && !exists $args->{ignore_version}));
+  return if ($conn_attrs->{ignore_version} || ($ENV{DBIC_NO_VERSION_CHECK} && !exists $conn_attrs->{ignore_version}));
 
   # check for legacy versions table and move to new if exists
-  my $vschema_compat = DBIx::Class::VersionCompat->connect(@$info);
   unless ($self->_source_exists($vtable)) {
-    my $vtable_compat = $vschema_compat->resultset('TableCompat');
+    my $vtable_compat = DBIx::Class::VersionCompat->connect(@$conn_info)->resultset('TableCompat');
     if ($self->_source_exists($vtable_compat)) {
       $self->{vschema}->deploy;
       map { $vtable->create({ installed => $_->Installed, version => $_->Version }) } $vtable_compat->all;
-      $self->storage->dbh->do("DROP TABLE " . $vtable_compat->result_source->from);
+      $self->storage->_get_dbh->do("DROP TABLE " . $vtable_compat->result_source->from);
     }
   }
 
@@ -726,9 +746,12 @@ sub _source_exists
 {
     my ($self, $rs) = @_;
 
-    my $c = try { $rs->search({ 1, 0 })->count };
-
-    return (defined $c) ? 1 : 0;
+    return try {
+      $rs->search(\'1=0')->cursor->next;
+      1;
+    } catch {
+      0;
+    };
 }
 
 1;