X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FStorage%2FDBI%2FCursor.pm;h=b2c13543e44d05e7000615036022646dee6b649e;hb=5d9c76e106f9ac8929bf1dddeeb157bed8d404ac;hp=c9dedf652d127640448d4dd1301fcb6ede29ed3c;hpb=dbaee7482fe6ff190e8ae53d609d0294b911339b;p=dbsrgits%2FDBIx-Class.git

diff --git a/lib/DBIx/Class/Storage/DBI/Cursor.pm b/lib/DBIx/Class/Storage/DBI/Cursor.pm
index c9dedf6..b2c1354 100644
--- a/lib/DBIx/Class/Storage/DBI/Cursor.pm
+++ b/lib/DBIx/Class/Storage/DBI/Cursor.pm
@@ -1,10 +1,18 @@
 package DBIx::Class::Storage::DBI::Cursor;
 
-use base qw/DBIx::Class::Cursor/;
-
 use strict;
 use warnings;
 
+use base qw/
+  Class::Accessor::Grouped
+  DBIx::Class::Cursor
+/;
+use mro 'c3';
+
+__PACKAGE__->mk_group_accessors('simple' =>
+    qw/sth/
+);
+
 =head1 NAME
 
 DBIx::Class::Storage::DBI::Cursor - Object representing a query cursor on a
@@ -36,8 +44,8 @@ Returns a new L<DBIx::Class::Storage::DBI::Cursor> object.
 
 sub new {
   my ($class, $storage, $args, $attrs) = @_;
-  #use Data::Dumper; warn Dumper(@_);
   $class = ref $class if ref $class;
+
   my $new = {
     storage => $storage,
     args => $args,
@@ -59,7 +67,8 @@ sub new {
 
 =back
 
-Advances the cursor to the next row and returns an arrayref of column values.
+Advances the cursor to the next row and returns an array of column
+values (the result of L<DBI/fetchrow_array> method).
 
 =cut
 
@@ -67,25 +76,29 @@ sub _dbh_next {
   my ($storage, $dbh, $self) = @_;
 
   $self->_check_dbh_gen;
-  if ($self->{attrs}{rows} && $self->{pos} >= $self->{attrs}{rows}) {
-    $self->{sth}->finish if $self->{sth}->{Active};
-    delete $self->{sth};
+  if (
+    $self->{attrs}{software_limit}
+      && $self->{attrs}{rows}
+        && $self->{pos} >= $self->{attrs}{rows}
+  ) {
+    $self->sth->finish if $self->sth->{Active};
+    $self->sth(undef);
     $self->{done} = 1;
   }
   return if $self->{done};
-  unless ($self->{sth}) {
-    $self->{sth} = ($storage->_select(@{$self->{args}}))[1];
+  unless ($self->sth) {
+    $self->sth(($storage->_select(@{$self->{args}}))[1]);
     if ($self->{attrs}{software_limit}) {
       if (my $offset = $self->{attrs}{offset}) {
-        $self->{sth}->fetch for 1 .. $offset;
+        $self->sth->fetch for 1 .. $offset;
       }
     }
   }
-  my @row = $self->{sth}->fetchrow_array;
+  my @row = $self->sth->fetchrow_array;
   if (@row) {
     $self->{pos}++;
   } else {
-    delete $self->{sth};
+    $self->sth(undef);
     $self->{done} = 1;
   }
   return @row;
@@ -115,15 +128,19 @@ sub _dbh_all {
   my ($storage, $dbh, $self) = @_;
 
   $self->_check_dbh_gen;
-  $self->{sth}->finish if $self->{sth}->{Active};
-  delete $self->{sth};
+  $self->sth->finish if $self->sth && $self->sth->{Active};
+  $self->sth(undef);
   my ($rv, $sth) = $storage->_select(@{$self->{args}});
   return @{$sth->fetchall_arrayref};
 }
 
 sub all {
   my ($self) = @_;
-  return $self->SUPER::all if $self->{attrs}{rows};
+  if ($self->{attrs}{software_limit}
+        && ($self->{attrs}{offset} || $self->{attrs}{rows})) {
+    return $self->next::method;
+  }
+
   $self->{storage}->dbh_do($self->can('_dbh_all'), $self);
 }
 
@@ -137,17 +154,17 @@ sub reset {
   my ($self) = @_;
 
   # No need to care about failures here
-  eval { $self->{sth}->finish if $self->{sth} && $self->{sth}->{Active} };
+  eval { $self->sth->finish if $self->sth && $self->sth->{Active} };
   $self->_soft_reset;
+  return undef;
 }
 
 sub _soft_reset {
   my ($self) = @_;
 
-  delete $self->{sth};
+  $self->sth(undef);
   delete $self->{done};
   $self->{pos} = 0;
-  return $self;
 }
 
 sub _check_dbh_gen {
@@ -163,7 +180,8 @@ sub DESTROY {
   my ($self) = @_;
 
   # None of the reasons this would die matter if we're in DESTROY anyways
-  eval { $self->{sth}->finish if $self->{sth} && $self->{sth}->{Active} };
+  local $@;
+  eval { $self->sth->finish if $self->sth && $self->sth->{Active} };
 }
 
 1;