/usr/share/perl5/RDF/Trine/Store/DBI/Pg.pm is in librdf-trine-perl 1.011-2.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 | =head1 NAME
RDF::Trine::Store::DBI::Pg - PostgreSQL subclass of DBI store
=head1 VERSION
This document describes RDF::Trine::Store::DBI::Pg version 1.011
=head1 SYNOPSIS
use RDF::Trine::Store::DBI::Pg;
=head1 DESCRIPTION
=cut
package RDF::Trine::Store::DBI::Pg;
use strict;
use warnings;
no warnings 'redefine';
use base qw(RDF::Trine::Store::DBI);
use Scalar::Util qw(blessed reftype refaddr);
our $VERSION;
BEGIN {
$VERSION = "1.011";
my $class = __PACKAGE__;
$RDF::Trine::Store::STORE_CLASSES{ $class } = $VERSION;
}
sub _config_meta {
return {
required_keys => [qw(dsn username password name)],
fields => {
name => { description => 'Model Name', type => 'string' },
dsn => { description => 'DSN', type => 'string', template => 'DBI:Pg:dbname=[%database%]' },
database => { description => 'Database Name', type => 'string' },
username => { description => 'Username', type => 'string' },
password => { description => 'Password', type => 'password' },
driver => { description => 'Driver', type => 'string', value => 'Pg' },
},
}
}
=head1 METHODS
Beyond the methods documented below, this class inherits methods from the
L<RDF::Trine::Store::DBI> class.
=over 4
=cut
=item C<< new_with_config ( \%config ) >>
Returns a new RDF::Trine::Store object based on the supplied configuration hashref.
=cut
sub new_with_config {
my $proto = shift;
my $config = shift;
$config->{storetype} = 'DBI::Pg';
return $proto->SUPER::new_with_config( $config );
}
sub _column_name {
my $self = shift;
my @args = @_;
my $col = lc(join('_', @args));
return $col;
}
=item C<< init >>
Creates the necessary tables in the underlying database.
=cut
sub init {
my $self = shift;
my $dbh = $self->dbh;
my $name = $self->model_name;
my $id = RDF::Trine::Store::DBI::_mysql_hash( $name );
my $l = Log::Log4perl->get_logger("rdf.trine.store.dbi");
unless ($self->_table_exists("literals")) {
$dbh->begin_work;
$dbh->do( <<"END" ) || do { $l->trace( $dbh->errstr ); $dbh->rollback; return };
CREATE TABLE literals (
ID NUMERIC(20) PRIMARY KEY,
Value text NOT NULL,
Language text NOT NULL DEFAULT '',
Datatype text NOT NULL DEFAULT ''
);
END
$dbh->do( <<"END" ) || do { $l->trace( $dbh->errstr ); $dbh->rollback; return };
CREATE TABLE resources (
ID NUMERIC(20) PRIMARY KEY,
URI text NOT NULL
);
END
$dbh->do( <<"END" ) || do { $l->trace( $dbh->errstr ); $dbh->rollback; return };
CREATE TABLE bnodes (
ID NUMERIC(20) PRIMARY KEY,
Name text NOT NULL
);
END
$dbh->do( <<"END" ) || do { $l->trace( $dbh->errstr ); $dbh->rollback; return };
CREATE TABLE models (
ID NUMERIC(20) PRIMARY KEY,
Name text NOT NULL
);
END
$dbh->commit or warn $dbh->errstr;
}
unless ($self->_table_exists("statements${id}")) {
$dbh->do( <<"END" ) || do { $l->trace( $dbh->errstr ); return };
CREATE TABLE statements${id} (
Subject NUMERIC(20) NOT NULL,
Predicate NUMERIC(20) NOT NULL,
Object NUMERIC(20) NOT NULL,
Context NUMERIC(20) NOT NULL DEFAULT 0,
PRIMARY KEY (Subject, Predicate, Object, Context)
);
END
# $dbh->do( "DELETE FROM Models WHERE ID = ${id}") || do { $l->trace( $dbh->errstr ); $dbh->rollback; return };
$dbh->do( "INSERT INTO Models (ID, Name) VALUES (${id}, ?)", undef, $name );
}
}
1; # Magic true value required at end of module
__END__
=back
=head1 BUGS
Please report any bugs or feature requests to through the GitHub web interface
at L<https://github.com/kasei/perlrdf/issues>.
=head1 AUTHOR
Gregory Todd Williams C<< <gwilliams@cpan.org> >>
=head1 COPYRIGHT
Copyright (c) 2006-2012 Gregory Todd Williams. This
program is free software; you can redistribute it and/or modify it under
the same terms as Perl itself.
=cut
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