File Coverage

blib/lib/DBIx/Class/Storage/DBI/InterBase.pm

Criterion	Covered	Total	%
statement	18	40	45.0
branch	0	10	0.0
condition	0	2	0.0
subroutine	6	12	50.0
pod	2	2	100.0
total	26	66	39.3

package DBIx::Class::Storage::DBI::InterBase;

use strict;
use warnings;
use base qw/DBIx::Class::Storage::DBI::Firebird::Common/;
use mro 'c3';
use DBIx::Class::_Util 'dbic_internal_try';
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.

To turn on L support, see
L.

=cut

sub _ping {
  my $self = shift;

  my $dbh = $self->_dbh or return 0;

  local $dbh->{RaiseError} = 1;
  local $dbh->{PrintError} = 0;

  (dbic_internal_try {
    $dbh->do('select 1 from rdb$database');
    1;
  })
    ? 1
    : 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 _set_sql_dialect {
  my $self = shift;
  my $val  = shift || 3;

  my $dsn = $self->_dbi_connect_info->[0];

  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:

  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
executing> 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;
}

=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;

  $self->_get_dbh->{ib_time_all} = 'ISO';
}

=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 FURTHER QUESTIONS?

Check the list of L.

=head1 COPYRIGHT AND LICENSE

This module is free software L
by the L. You can
redistribute it and/or modify it under the same terms as the
L.

=cut

1;

# vim:sts=2 sw=2: