1 package DBIx::Class::Storage::DBI::Sybase;
5 use DBIx::Class::_Util 'dbic_internal_try';
9 use base qw/DBIx::Class::Storage::DBI/;
13 DBIx::Class::Storage::DBI::Sybase - Base class for drivers using
18 This is the base class/dispatcher for Storage's designed to work with
25 sub _rebless { shift->_determine_connector_driver('Sybase') }
31 my $name = $self->_get_dbh->selectrow_arrayref('sp_server_info @attribute_id=1')->[2];
37 $name = 'ASE' if $name eq 'SQL_Server';
42 $self->throw_exception("Unable to establish connection to determine database type: $_")
47 # once the driver is determined see if we need to insert the DBD::Sybase w/ FreeTDS fixups
48 # this is a dirty version of "instance role application", \o/ DO WANT Moo \o/
50 if (! $self->isa('DBIx::Class::Storage::DBI::Sybase::FreeTDS') and $self->_using_freetds) {
51 require DBIx::Class::Storage::DBI::Sybase::FreeTDS;
53 my @isa = @{mro::get_linear_isa(ref $self)};
54 my $class = shift @isa; # this is our current ref
56 my $trait_class = $class . '::FreeTDS';
57 mro::set_mro ($trait_class, 'c3');
59 @{"${trait_class}::ISA"} = ($class, 'DBIx::Class::Storage::DBI::Sybase::FreeTDS', @isa);
61 bless ($self, $trait_class);
63 Class::C3->reinitialize() if DBIx::Class::_ENV_::OLD_MRO;
68 $self->next::method(@_);
74 my $dbh = $self->_dbh or return 0;
76 local $dbh->{RaiseError} = 1;
77 local $dbh->{PrintError} = 0;
79 # FIXME if the main connection goes stale, does opening another for this statement
80 # really determine anything?
81 # FIXME (2) THIS MAKES 0 SENSE!!! Need to test later
82 if ($dbh->{syb_no_child_con}) {
83 return dbic_internal_try {
84 $self->_connect->do('select 1');
102 sub _set_max_connect {
104 my $val = shift || 256;
106 my $dsn = $self->_dbi_connect_info->[0];
108 return if ref($dsn) eq 'CODE';
110 if ($dsn !~ /maxConnect=/) {
111 $self->_dbi_connect_info->[0] = "$dsn;maxConnect=$val";
112 my $connected = defined $self->_dbh;
114 $self->ensure_connected if $connected;
118 # Whether or not DBD::Sybase was compiled against FreeTDS. If false, it means
119 # the Sybase OpenClient libraries were used.
122 return ($self->_get_dbh->{syb_oc_version}||'') =~ /freetds/i;
125 # Either returns the FreeTDS version against which DBD::Sybase was compiled,
126 # 0 if can't be determined, or undef otherwise
127 sub _using_freetds_version {
128 my $inf = shift->_get_dbh->{syb_oc_version};
129 return undef unless ($inf||'') =~ /freetds/i;
130 return $inf =~ /v([0-9\.]+)/ ? $1 : 0;
133 =head1 FURTHER QUESTIONS?
135 Check the list of L<additional DBIC resources|DBIx::Class/GETTING HELP/SUPPORT>.
137 =head1 COPYRIGHT AND LICENSE
139 This module is free software L<copyright|DBIx::Class/COPYRIGHT AND LICENSE>
140 by the L<DBIx::Class (DBIC) authors|DBIx::Class/AUTHORS>. You can
141 redistribute it and/or modify it under the same terms as the
142 L<DBIx::Class library|DBIx::Class/COPYRIGHT AND LICENSE>.