Another overhaul of transaction/savepoint handling

[dbsrgits/DBIx-Class.git] / lib / DBIx / Class / Storage / DBI / ODBC / Firebird.pm

diff --git a/lib/DBIx/Class/Storage/DBI/ODBC/Firebird.pm b/lib/DBIx/Class/Storage/DBI/ODBC/Firebird.pm
index a17fa4a..133dcc1 100644 (file)
--- a/lib/DBIx/Class/Storage/DBI/ODBC/Firebird.pm
+++ b/lib/DBIx/Class/Storage/DBI/ODBC/Firebird.pm
@@ -2,39 +2,78 @@ package DBIx::Class::Storage::DBI::ODBC::Firebird;
 
 use strict;
 use warnings;
-use base qw/DBIx::Class::Storage::DBI::InterBase/;
+use base 'DBIx::Class::Storage::DBI::Firebird::Common';
 use mro 'c3';
+use Try::Tiny;
+use namespace::clean;
 
 =head1 NAME
 
 DBIx::Class::Storage::DBI::ODBC::Firebird - Driver for using the Firebird RDBMS
 through ODBC
 
-=head1 SYNOPSIS
+=head1 DESCRIPTION
 
-All functionality is provided by L<DBIx::Class::Storage::DBI::Interbase>, see
-that module for details.
+Most functionality is provided by
+L<DBIx::Class::Storage::DBI::Firebird::Common>, see that driver for details.
 
 To build the ODBC driver for Firebird on Linux for unixODBC, see:
 
 L<http://www.firebirdnews.org/?p=1324>
 
+This driver does not suffer from the nested statement handles across commits
+issue that the L<DBD::InterBase|DBIx::Class::Storage::DBI::InterBase> or the
+L<DBD::Firebird|DBIx::Class::Storage::DBI::Firebird> based driver does. This
+makes it more suitable for long running processes such as under L<Catalyst>.
+
 =cut
 
-__PACKAGE__->sql_maker_class('DBIx::Class::SQLAHacks::ODBC::Firebird');
+__PACKAGE__->datetime_parser_type ('DBIx::Class::Storage::DBI::ODBC::Firebird::DateTime::Format');
+
+# releasing savepoints doesn't work for some reason, but that shouldn't matter
+sub _exec_svp_release { 1 }
+
+sub _exec_svp_rollback {
+  my ($self, $name) = @_;
+
+  try {
+    $self->_dbh->do("ROLLBACK TO SAVEPOINT $name")
+  }
+  catch {
+    # Firebird ODBC driver bug, ignore
+    if (not /Unable to fetch information about the error/) {
+      $self->throw_exception($_);
+    }
+  };
+}
+
+package # hide from PAUSE
+  DBIx::Class::Storage::DBI::ODBC::Firebird::DateTime::Format;
 
-sub datetime_parser_type { __PACKAGE__ }
+# inherit parse/format date
+our @ISA = 'DBIx::Class::Storage::DBI::InterBase::DateTime::Format';
 
-my $datetime_parser;
+my $timestamp_format = '%Y-%m-%d %H:%M:%S.%4N'; # %F %T
+my $timestamp_parser;
 
 sub parse_datetime {
-    shift;
-    require DateTime::Format::Strptime;
-    $datetime_parser ||= DateTime::Format::Strptime->new(
-        pattern => '%F %H:%M:%S',
-        on_error => 'croak',
-    );
-    $datetime_parser->parse_datetime(shift);
+  shift;
+  require DateTime::Format::Strptime;
+  $timestamp_parser ||= DateTime::Format::Strptime->new(
+    pattern  => $timestamp_format,
+    on_error => 'croak',
+  );
+  return $timestamp_parser->parse_datetime(shift);
+}
+
+sub format_datetime {
+  shift;
+  require DateTime::Format::Strptime;
+  $timestamp_parser ||= DateTime::Format::Strptime->new(
+    pattern  => $timestamp_format,
+    on_error => 'croak',
+  );
+  return $timestamp_parser->format_datetime(shift);
 }
 
 1;
@@ -48,3 +87,4 @@ See L<DBIx::Class/AUTHOR> and L<DBIx::Class/CONTRIBUTORS>.
 You may distribute this code under the same terms as Perl itself.
 
 =cut
+# vim:sts=2 sw=2: