X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FStorage%2FDBI%2FSybase.pm;h=901cf0ae9dd0a2c0e54add36bc275671d7f91662;hb=fabbd5cca9;hp=0a2617337322e7cff3ded3dc15ad75a931a7ea31;hpb=5432c6ae1a31569775574edd42cb3e3f6f79cfff;p=dbsrgits%2FDBIx-Class.git

diff --git a/lib/DBIx/Class/Storage/DBI/Sybase.pm b/lib/DBIx/Class/Storage/DBI/Sybase.pm
index 0a26173..901cf0a 100644
--- a/lib/DBIx/Class/Storage/DBI/Sybase.pm
+++ b/lib/DBIx/Class/Storage/DBI/Sybase.pm
@@ -2,44 +2,139 @@ package DBIx::Class::Storage::DBI::Sybase;
 
 use strict;
 use warnings;
+use Try::Tiny;
+use namespace::clean;
 
-use base qw/DBIx::Class::Storage::DBI::NoBindVars/;
+use base qw/DBIx::Class::Storage::DBI/;
 
-my $noquote = {
-    int => qr/^ \-? \d+ $/x,
-    integer => qr/^ \-? \d+ $/x,
+=head1 NAME
+
+DBIx::Class::Storage::DBI::Sybase - Base class for drivers using
+L<DBD::Sybase>
+
+=head1 DESCRIPTION
 
-    # TODO maybe need to add float/real/etc
-};
+This is the base class/dispatcher for Storage's designed to work with
+L<DBD::Sybase>
+
+=head1 METHODS
+
+=cut
 
-sub should_quote_data_type {
+sub _rebless {
   my $self = shift;
-  my ($type, $value) = @_;
 
-  return $self->next::method(@_) if not defined $value;
+  my $dbtype;
+  try {
+    $dbtype = @{$self->_get_dbh->selectrow_arrayref(qq{sp_server_info \@attribute_id=1})}[2]
+  } catch {
+    $self->throw_exception("Unable to estable connection to determine database type: $_")
+  };
 
-  if (my $re = $noquote->{$type}) {
-    return 0 if $value =~ $re;
+  if ($dbtype) {
+    $dbtype =~ s/\W/_/gi;
+
+    # saner class name
+    $dbtype = 'ASE' if $dbtype eq 'SQL_Server';
+
+    my $subclass = __PACKAGE__ . "::$dbtype";
+    if ($self->load_optional_class($subclass)) {
+      bless $self, $subclass;
+      $self->_rebless;
+    }
   }
+}
+
+sub _init {
+  # once the driver is determined see if we need to insert the DBD::Sybase w/ FreeTDS fixups
+  # this is a dirty version of "instance role application", \o/ DO WANT Moo \o/
+  my $self = shift;
+  if (! $self->isa('DBIx::Class::Storage::DBI::Sybase::FreeTDS') and $self->using_freetds) {
+    require DBIx::Class::Storage::DBI::Sybase::FreeTDS;
 
-  return $self->next::method(@_);
+    my @isa = @{mro::get_linear_isa(ref $self)};
+    my $class = shift @isa; # this is our current ref
+
+    my $trait_class = $class . '::FreeTDS';
+    mro::set_mro ($trait_class, 'c3');
+    no strict 'refs';
+    @{"${trait_class}::ISA"} = ($class, 'DBIx::Class::Storage::DBI::Sybase::FreeTDS', @isa);
+
+    bless ($self, $trait_class);
+
+    Class::C3->reinitialize() if DBIx::Class::_ENV_::OLD_MRO;
+
+    $self->_init(@_);
+  }
+
+  $self->next::method(@_);
 }
 
-1;
+sub _ping {
+  my $self = shift;
 
-=head1 NAME
+  my $dbh = $self->_dbh or return 0;
 
-DBIx::Class::Storage::DBI::Sybase - Storage::DBI subclass for Sybase
+  local $dbh->{RaiseError} = 1;
+  local $dbh->{PrintError} = 0;
 
-=head1 SYNOPSIS
+# FIXME if the main connection goes stale, does opening another for this statement
+# really determine anything?
 
-This subclass supports L<DBD::Sybase> for real Sybase databases.  If
-you are using an MSSQL database via L<DBD::Sybase>, see
-L<DBIx::Class::Storage::DBI::Sybase::MSSQL>.
+  if ($dbh->{syb_no_child_con}) {
+    return try {
+      $self->_connect(@{$self->_dbi_connect_info || [] })
+        ->do('select 1');
+      1;
+    }
+    catch {
+      0;
+    };
+  }
+
+  return try {
+    $dbh->do('select 1');
+    1;
+  }
+  catch {
+    0;
+  };
+}
+
+sub _set_max_connect {
+  my $self = shift;
+  my $val  = shift || 256;
+
+  my $dsn = $self->_dbi_connect_info->[0];
+
+  return if ref($dsn) eq 'CODE';
+
+  if ($dsn !~ /maxConnect=/) {
+    $self->_dbi_connect_info->[0] = "$dsn;maxConnect=$val";
+    my $connected = defined $self->_dbh;
+    $self->disconnect;
+    $self->ensure_connected if $connected;
+  }
+}
+
+=head2 using_freetds
+
+Whether or not L<DBD::Sybase> was compiled against FreeTDS. If false, it means
+the Sybase OpenClient libraries were used.
+
+=cut
+
+sub using_freetds {
+  my $self = shift;
+
+  return ($self->_get_dbh->{syb_oc_version}||'') =~ /freetds/i;
+}
+
+1;
 
 =head1 AUTHORS
 
-Brandon L Black <blblack@gmail.com>
+See L<DBIx::Class/CONTRIBUTORS>.
 
 =head1 LICENSE