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package DBIx::Class::CDBICompat::Iterator;
use strict;
use warnings;
=head1 NAME
DBIx::Class::CDBICompat::Iterator - Emulates the extra behaviors of the Class::DBI search iterator.
=head1 SYNOPSIS
See DBIx::Class::CDBICompat for usage directions.
=head1 DESCRIPTION
Emulates the extra behaviors of the Class::DBI search iterator.
=head2 Differences from DBIx::Class result set
The CDBI iterator returns true if there were any results, false otherwise. The DBIC result set always returns true.
=cut
sub _init_result_source_instance {
my $class = shift;
my $table = $class->next::method(@_);
$table->resultset_class("DBIx::Class::CDBICompat::Iterator::ResultSet");
return $table;
}
package DBIx::Class::CDBICompat::Iterator::ResultSet;
use strict;
use warnings;
use base qw(DBIx::Class::ResultSet);
sub _bool {
# Performance hack so internal checks whether the result set
# exists won't do a SQL COUNT.
return 1 if caller =~ /^DBIx::Class::/;
return $_[0]->count;
}
1;
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