X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FCDBICompat%2FIterator.pm;h=847b10b6db31bdb2f1ed9af92cfe7aac149a371c;hb=be64931c710bcde7abe7334349b4c8a123645332;hp=d50dd328ce48dcc508fe61ab2e029da4cbe4f386;hpb=c0494fe173384e4fdde1f165f0670aeb5dc084a8;p=dbsrgits%2FDBIx-Class.git

diff --git a/lib/DBIx/Class/CDBICompat/Iterator.pm b/lib/DBIx/Class/CDBICompat/Iterator.pm
index d50dd32..847b10b 100644
--- a/lib/DBIx/Class/CDBICompat/Iterator.pm
+++ b/lib/DBIx/Class/CDBICompat/Iterator.pm
@@ -3,9 +3,29 @@ 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");
 
@@ -22,7 +42,11 @@ use warnings;
 use base qw(DBIx::Class::ResultSet);
 
 sub _bool {
-  return $_[0]->count;
+    # 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;