Current File : C:/xampp/perl/vendor/lib/DBIx/Class/Storage/DBI/Replicated/WithDSN.pm
package DBIx::Class::Storage::DBI::Replicated::WithDSN;
use Moose::Role;
use Scalar::Util 'reftype';
requires qw/_query_start/;
use Try::Tiny;
use namespace::clean -except => 'meta';
=head1 NAME
DBIx::Class::Storage::DBI::Replicated::WithDSN - A DBI Storage Role with DSN
information in trace output
=head1 SYNOPSIS
This class is used internally by L<DBIx::Class::Storage::DBI::Replicated>.
=head1 DESCRIPTION
This role adds C<DSN: > info to storage debugging output.
=head1 METHODS
This class defines the following methods.
=head2 around: _query_start
Add C<DSN: > to debugging output.
=cut
around '_query_start' => sub {
my ($method, $self, $sql, @bind) = @_;
my $dsn = (try { $self->dsn }) || $self->_dbi_connect_info->[0];
my($op, $rest) = (($sql=~m/^(\w+)(.+)$/),'NOP', 'NO SQL');
my $storage_type = $self->can('active') ? 'REPLICANT' : 'MASTER';
my $query = do {
if ((reftype($dsn)||'') ne 'CODE') {
"$op [DSN_$storage_type=$dsn]$rest";
}
elsif (my $id = try { $self->id }) {
"$op [$storage_type=$id]$rest";
}
else {
"$op [$storage_type]$rest";
}
};
$self->$method($query, @bind);
};
=head1 ALSO SEE
L<DBIx::Class::Storage::DBI>
=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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