/usr/share/perl5/DBIx/Class/Storage/DBI/ADO.pm is in libdbix-class-perl 0.08196-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 | package DBIx::Class::Storage::DBI::ADO;
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.
=cut
sub _rebless {
my $self = shift;
my $dbtype = $self->_dbh_get_info(17);
if (not $dbtype) {
warn "Unable to determine ADO driver, failling back to generic support.\n";
return;
}
$dbtype =~ s/\W/_/gi;
my $subclass = "DBIx::Class::Storage::DBI::ADO::${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";
}
}
# cleanup some warnings from DBD::ADO
# RT#65563, not fixed as of DBD::ADO v2.98
sub _dbh_get_info {
my $self = shift;
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->(@_);
};
}
$DBD::ADO::__DBIC_MONKEYPATCH_CHECKED__ = 1;
}
}
# Here I was just experimenting with ADO cursor types, left in as a comment in
# case you want to as well. See the DBD::ADO docs.
#sub _dbh_sth {
# my ($self, $dbh, $sql) = @_;
#
# my $sth = $self->disable_sth_caching
# ? $dbh->prepare($sql, { CursorType => 'adOpenStatic' })
# : $dbh->prepare_cached($sql, { CursorType => 'adOpenStatic' }, 3);
#
# $self->throw_exception($dbh->errstr) if !$sth;
#
# $sth;
#}
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:
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