package DBIx::Class::Storage::DBI::ODBC;
use strict;
use warnings;
use base qw/DBIx::Class::Storage::DBI/;
use mro 'c3';
sub _rebless {
my ($self) = @_;
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}";
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;
=head1 NAME
DBIx::Class::Storage::DBI::ODBC - Base class for ODBC drivers
=head1 DESCRIPTION
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 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
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