/usr/share/perl5/DBIx/Class/Storage/DBI/Sybase.pm is in libdbix-class-perl 0.082840-3.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 | package DBIx::Class::Storage::DBI::Sybase;
use strict;
use warnings;
use Try::Tiny;
use namespace::clean;
use base qw/DBIx::Class::Storage::DBI/;
=head1 NAME
DBIx::Class::Storage::DBI::Sybase - Base class for drivers using
L<DBD::Sybase>
=head1 DESCRIPTION
This is the base class/dispatcher for Storage's designed to work with
L<DBD::Sybase>
=head1 METHODS
=cut
sub _rebless {
my $self = shift;
my $dbtype;
try {
$dbtype = @{$self->_get_dbh->selectrow_arrayref(qq{sp_server_info \@attribute_id=1})}[2]
} catch {
$self->throw_exception("Unable to establish connection to determine database type: $_")
};
if ($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;
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(@_);
}
sub _ping {
my $self = shift;
my $dbh = $self->_dbh or return 0;
local $dbh->{RaiseError} = 1;
local $dbh->{PrintError} = 0;
# FIXME if the main connection goes stale, does opening another for this statement
# really determine anything?
if ($dbh->{syb_no_child_con}) {
return try {
$self->_connect->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;
}
}
# Whether or not DBD::Sybase was compiled against FreeTDS. If false, it means
# the Sybase OpenClient libraries were used.
sub _using_freetds {
my $self = shift;
return ($self->_get_dbh->{syb_oc_version}||'') =~ /freetds/i;
}
# Either returns the FreeTDS version against which DBD::Sybase was compiled,
# 0 if can't be determined, or undef otherwise
sub _using_freetds_version {
my $inf = shift->_get_dbh->{syb_oc_version};
return undef unless ($inf||'') =~ /freetds/i;
return $inf =~ /v([0-9\.]+)/ ? $1 : 0;
}
=head1 FURTHER QUESTIONS?
Check the list of L<additional DBIC resources|DBIx::Class/GETTING HELP/SUPPORT>.
=head1 COPYRIGHT AND LICENSE
This module is free software L<copyright|DBIx::Class/COPYRIGHT AND LICENSE>
by the L<DBIx::Class (DBIC) authors|DBIx::Class/AUTHORS>. You can
redistribute it and/or modify it under the same terms as the
L<DBIx::Class library|DBIx::Class/COPYRIGHT AND LICENSE>.
=cut
1;
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