X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FStorage%2FDBI%2FInterBase.pm;h=5f5043bc94eb5359e42ba78064afe72bbcb362de;hb=e705f5290cf384194c31a807c9bb722c7a167dfd;hp=db923fa5a0d2e0462f6d558d06d604643d910b84;hpb=4f6383866d94180bea64069e1378ad54e4b8a883;p=dbsrgits%2FDBIx-Class.git diff --git a/lib/DBIx/Class/Storage/DBI/InterBase.pm b/lib/DBIx/Class/Storage/DBI/InterBase.pm index db923fa..5f5043b 100644 --- a/lib/DBIx/Class/Storage/DBI/InterBase.pm +++ b/lib/DBIx/Class/Storage/DBI/InterBase.pm @@ -1,69 +1,214 @@ package DBIx::Class::Storage::DBI::InterBase; -# mostly stolen from DBIx::Class::Storage::DBI::MSSQL - use strict; use warnings; - -use base qw/DBIx::Class::Storage::DBI::AmbiguousGlob DBIx::Class::Storage::DBI/; +use base qw/DBIx::Class::Storage::DBI::Firebird::Common/; use mro 'c3'; +use Try::Tiny; +use namespace::clean; + +=head1 NAME + +DBIx::Class::Storage::DBI::InterBase - Driver for the Firebird RDBMS via +L + +=head1 DESCRIPTION + +This driver is a subclass of L for +use with L, see that driver for general details. + +You need to use either the +L option or +L (see L) for your code to function +correctly with this driver. Otherwise you will likely get bizarre error messages +such as C. The alternative is to use the +L driver, which is more suitable +for long running processes such as under L. -use List::Util(); +To turn on L support, see +L. -__PACKAGE__->mk_group_accessors(simple => qw/ - _identity -/); +=cut -sub insert_bulk { +__PACKAGE__->datetime_parser_type( + 'DBIx::Class::Storage::DBI::InterBase::DateTime::Format' +); + +sub _ping { my $self = shift; - my ($source, $cols, $data) = @_; - my $is_identity_insert = (List::Util::first - { $source->column_info ($_)->{is_auto_increment} } - (@{$cols}) - ) - ? 1 - : 0; + my $dbh = $self->_dbh or return 0; + + local $dbh->{RaiseError} = 1; + local $dbh->{PrintError} = 0; - $self->next::method(@_); + return try { + $dbh->do('select 1 from rdb$database'); + 1; + } catch { + 0; + }; } +# We want dialect 3 for new features and quoting to work, DBD::InterBase uses +# dialect 1 (interbase compat) by default. +sub _init { + my $self = shift; + $self->_set_sql_dialect(3); +} -sub _prep_for_execute { +sub _set_sql_dialect { my $self = shift; - my ($op, $extra_bind, $ident, $args) = @_; + my $val = shift || 3; - my ($sql, $bind) = $self->next::method (@_); + my $dsn = $self->_dbi_connect_info->[0]; - if ($op eq 'insert') { - $sql .= 'RETURNING "Id"'; + return if ref($dsn) eq 'CODE'; + if ($dsn !~ /ib_dialect=/) { + $self->_dbi_connect_info->[0] = "$dsn;ib_dialect=$val"; + my $connected = defined $self->_dbh; + $self->disconnect; + $self->ensure_connected if $connected; } +} + +=head2 connect_call_use_softcommit + +Used as: - return ($sql, $bind); + on_connect_call => 'use_softcommit' + +In L to set the +L C option. + +You need either this option or C<< disable_sth_caching => 1 >> for +L code to function correctly (otherwise you may get C errors.) Or use the L +driver. + +The downside of using this option is that your process will B see UPDATEs, +INSERTs and DELETEs from other processes for already open statements. + +=cut + +sub connect_call_use_softcommit { + my $self = shift; + + $self->_dbh->{ib_softcommit} = 1; } -sub _execute { +=head2 connect_call_datetime_setup + +Used as: + + on_connect_call => 'datetime_setup' + +In L to set the date and +timestamp formats using: + + $dbh->{ib_time_all} = 'ISO'; + +See L for more details. + +The C data type supports up to 4 digits after the decimal point for +second precision. The full precision is used. + +The C data type stores the date portion only, and it B be declared +with: + + data_type => 'date' + +in your Result class. + +Timestamp columns can be declared with either C or C. + +You will need the L module for inflation to work. + +For L, this is a noop. + +=cut + +sub connect_call_datetime_setup { my $self = shift; - my ($op) = @_; - my ($rv, $sth, @bind) = $self->dbh_do($self->can('_dbh_execute'), @_); + $self->_get_dbh->{ib_time_all} = 'ISO'; +} - if ($op eq 'insert') { - # this should bring back the result of SELECT SCOPE_IDENTITY() we tacked - # on in _prep_for_execute above - local $@; - my ($identity) = eval { $sth->fetchrow_array }; +package # hide from PAUSE + DBIx::Class::Storage::DBI::InterBase::DateTime::Format; - $self->_identity($identity); - $sth->finish; - } +my $timestamp_format = '%Y-%m-%d %H:%M:%S.%4N'; # %F %T +my $date_format = '%Y-%m-%d'; + +my ($timestamp_parser, $date_parser); + +sub parse_datetime { + shift; + require DateTime::Format::Strptime; + $timestamp_parser ||= DateTime::Format::Strptime->new( + pattern => $timestamp_format, + on_error => 'croak', + ); + return $timestamp_parser->parse_datetime(shift); +} - return wantarray ? ($rv, $sth, @bind) : $rv; +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); } -sub last_insert_id { shift->_identity } +sub parse_date { + shift; + require DateTime::Format::Strptime; + $date_parser ||= DateTime::Format::Strptime->new( + pattern => $date_format, + on_error => 'croak', + ); + return $date_parser->parse_datetime(shift); +} + +sub format_date { + shift; + require DateTime::Format::Strptime; + $date_parser ||= DateTime::Format::Strptime->new( + pattern => $date_format, + on_error => 'croak', + ); + return $date_parser->format_datetime(shift); +} 1; +=head1 CAVEATS + +=over 4 + +=item * + +with L, you will not be able to see changes made +to data in other processes. If this is an issue, use +L as a +workaround for the C errors, this of course adversely +affects performance. + +Alternately, use the L driver. + +=back + +=head1 AUTHOR + +See L and L. + +=head1 LICENSE + +You may distribute this code under the same terms as Perl itself. + +=cut +# vim:sts=2 sw=2: