::DBI::Replicated - add master_read_weight to ::Random balancer_type

[dbsrgits/DBIx-Class.git] / lib / DBIx / Class / Storage / DBI / Replicated / WithDSN.pm

diff --git a/lib/DBIx/Class/Storage/DBI/Replicated/WithDSN.pm b/lib/DBIx/Class/Storage/DBI/Replicated/WithDSN.pm
new file mode 100644 (file)
index 0000000..69a3add
--- /dev/null
+++ b/lib/DBIx/Class/Storage/DBI/Replicated/WithDSN.pm
@@ -0,0 +1,51 @@
+package DBIx::Class::Storage::DBI::Replicated::WithDSN;
+
+use Moose::Role;
+requires qw/_query_start/;
+
+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 = $self->_dbi_connect_info->[0];
+  $self->$method("DSN: $dsn SQL: $sql", @bind);
+};
+
+=head1 ALSO SEE
+
+L<DBIx::Class::Storage::DBI>
+
+=head1 AUTHOR
+
+John Napiorkowski <john.napiorkowski@takkle.com>
+
+=head1 LICENSE
+
+You may distribute this code under the same terms as Perl itself.
+
+=cut
+
+1;