X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FStorage%2FDBI%2FADO.pm;h=705a59852a39ef5b61e9194ba12eec691a4b7956;hb=5b3090637dc0ea8949627267561820b43ff8e1cb;hp=83d2a09b77be1d0a222f7bc8cf77c2da2ab289c8;hpb=52b420dd006f55aced42c669f49182890b8826ea;p=dbsrgits%2FDBIx-Class.git

diff --git a/lib/DBIx/Class/Storage/DBI/ADO.pm b/lib/DBIx/Class/Storage/DBI/ADO.pm
index 83d2a09..705a598 100644
--- a/lib/DBIx/Class/Storage/DBI/ADO.pm
+++ b/lib/DBIx/Class/Storage/DBI/ADO.pm
@@ -1,33 +1,73 @@
-package # hide from PAUSE
-    DBIx::Class::Storage::DBI::ADO;
+package DBIx::Class::Storage::DBI::ADO;
+
+use warnings;
+use strict;
 
 use base 'DBIx::Class::Storage::DBI';
+use mro 'c3';
+
+use Sub::Name;
 use Try::Tiny;
+use namespace::clean;
+
+=head1 NAME
+
+DBIx::Class::Storage::DBI::ADO - Support for L<DBD::ADO>
+
+=head1 DESCRIPTION
+
+This class provides a mechanism for discovering and loading a sub-class
+for a specific ADO backend, as well as some workarounds for L<DBD::ADO>. It
+should be transparent to the user.
 
-sub _rebless {
+=cut
+
+sub _rebless { shift->_determine_connector_driver('ADO') }
+
+# cleanup some warnings from DBD::ADO
+# RT#65563, not fixed as of DBD::ADO v2.98
+sub _dbh_get_info {
   my $self = shift;
 
-# check for MSSQL
-# XXX This should be using an OpenSchema method of some sort, but I don't know
-# how.
-# Current version is stolen from Sybase.pm
-  try {
-    my $dbtype = @{$self->_get_dbh
-      ->selectrow_arrayref(qq{sp_server_info \@attribute_id=1})
-    }[2];
-
-    $dbtype =~ s/\W/_/gi;
-    my $subclass = "DBIx::Class::Storage::DBI::ADO::${dbtype}";
-    if ($self->load_optional_class($subclass) && !$self->isa($subclass)) {
-      bless $self, $subclass;
-      $self->_rebless;
-    }
+  my $warn_handler = $SIG{__WARN__} || sub { warn @_ };
+
+  local $SIG{__WARN__} = sub {
+    $warn_handler->(@_)
+      unless $_[0] =~ m{^Missing argument in sprintf at \S+/ADO/GetInfo\.pm};
   };
+
+  $self->next::method(@_);
+}
+
+# Monkeypatch out the horrible warnings during global destruction.
+# A patch to DBD::ADO has been submitted as well, and it was fixed
+# as of 2.99
+# https://rt.cpan.org/Ticket/Display.html?id=65563
+sub _init {
+  unless ($DBD::ADO::__DBIC_MONKEYPATCH_CHECKED__) {
+    require DBD::ADO;
+
+    unless (try { DBD::ADO->VERSION('2.99'); 1 }) {
+      no warnings 'redefine';
+      my $disconnect = *DBD::ADO::db::disconnect{CODE};
+
+      *DBD::ADO::db::disconnect = subname 'DBD::ADO::db::disconnect' => sub {
+        my $warn_handler = $SIG{__WARN__} || sub { warn @_ };
+        local $SIG{__WARN__} = sub {
+          $warn_handler->(@_)
+            unless $_[0] =~ /Not a Win32::OLE object|uninitialized value/;
+        };
+        $disconnect->(@_);
+      };
+    }
+
+    $DBD::ADO::__DBIC_MONKEYPATCH_CHECKED__ = 1;
+  }
 }
 
 # Here I was just experimenting with ADO cursor types, left in as a comment in
 # case you want to as well. See the DBD::ADO docs.
-#sub _dbh_sth {
+#sub _prepare_sth {
 #  my ($self, $dbh, $sql) = @_;
 #
 #  my $sth = $self->disable_sth_caching
@@ -40,3 +80,14 @@ sub _rebless {
 #}
 
 1;
+
+=head1 AUTHOR
+
+See L<DBIx::Class/AUTHOR> and L<DBIx::Class/CONTRIBUTORS>.
+
+=head1 LICENSE
+
+You may distribute this code under the same terms as Perl itself.
+
+=cut
+# vim:sts=2 sw=2: