X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FStorage%2FDBI%2FODBC.pm;h=d9852e7c692a3f180f3fb1ba219d3fc1959e804e;hb=11f7049f71cd5d6b891e8addd3c0d9cd2a27c3e8;hp=7a20900eaaf9edff53947490fabadb54cb5f3aee;hpb=fd323bf1046faa7de5a8c985268d80ec5b703361;p=dbsrgits%2FDBIx-Class.git

diff --git a/lib/DBIx/Class/Storage/DBI/ODBC.pm b/lib/DBIx/Class/Storage/DBI/ODBC.pm
index 7a20900..d9852e7 100644
--- a/lib/DBIx/Class/Storage/DBI/ODBC.pm
+++ b/lib/DBIx/Class/Storage/DBI/ODBC.pm
@@ -1,27 +1,66 @@
 package DBIx::Class::Storage::DBI::ODBC;
 use strict;
 use warnings;
-
 use base qw/DBIx::Class::Storage::DBI/;
 use mro 'c3';
-use Try::Tiny;
-use namespace::clean;
 
 sub _rebless {
   my ($self) = @_;
 
-  try {
-    my $dbtype = $self->_get_dbh->get_info(17);
-
+  if (my $dbtype = $self->_dbh_get_info('SQL_DBMS_NAME')) {
     # Translate the backend name into a perl identifier
     $dbtype =~ s/\W/_/gi;
     my $subclass = "DBIx::Class::Storage::DBI::ODBC::${dbtype}";
 
-    if ($self->load_optional_class($subclass) && !$self->isa($subclass)) {
+    return if $self->isa($subclass);
+
+    if ($self->load_optional_class($subclass)) {
       bless $self, $subclass;
       $self->_rebless;
     }
-  };
+    else {
+      warn "Expected driver '$subclass' not found, using generic support. " .
+           "Please file an RT.\n";
+    }
+  }
+  else {
+    warn "Could not determine your database type, using generic support.\n";
+  }
+}
+
+# Whether or not we are connecting via the freetds ODBC driver.
+sub _using_freetds {
+  my $self = shift;
+
+  my $dsn = $self->_dbi_connect_info->[0];
+
+  return 1 if (
+    ( (! ref $dsn) and $dsn =~ /driver=FreeTDS/i)
+      or
+    ( ($self->_dbh_get_info('SQL_DRIVER_NAME')||'') =~ /tdsodbc/i )
+  );
+
+  return 0;
+}
+
+# Either returns the FreeTDS version via which we are connecting, 0 if can't
+# be determined, or undef otherwise
+sub _using_freetds_version {
+  my $self = shift;
+  return undef unless $self->_using_freetds;
+  return $self->_dbh_get_info('SQL_DRIVER_VER') || 0;
+}
+
+sub _disable_odbc_array_ops {
+  my $self = shift;
+  my $dbh  = $self->_get_dbh;
+
+  if (eval { DBD::ODBC->VERSION('1.35_01') }) {
+    $dbh->{odbc_array_operations} = 0;
+  }
+  elsif (eval { DBD::ODBC->VERSION('1.33_01') }) {
+    $dbh->{odbc_disable_array_operations} = 1;
+  }
 }
 
 1;
@@ -35,12 +74,13 @@ DBIx::Class::Storage::DBI::ODBC - Base class for ODBC drivers
 This class simply provides a mechanism for discovering and loading a sub-class
 for a specific ODBC backend.  It should be transparent to the user.
 
-=head1 AUTHORS
+=head1 AUTHOR
 
-Marc Mims C<< <marc@questright.com> >>
+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: