X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FRow.pm;h=f36eba05de2c99f84a649483c1e1272bfc971822;hb=c13002976e32b818eabc3a8eaf6fa2e23ebed7e9;hp=89f1de30221127f007b145cc77cb8200595cd690;hpb=3df4269ebcc71ebb69b00225f0a12762aa3e9b21;p=dbsrgits%2FDBIx-Class.git

diff --git a/lib/DBIx/Class/Row.pm b/lib/DBIx/Class/Row.pm
index 89f1de3..f36eba0 100644
--- a/lib/DBIx/Class/Row.pm
+++ b/lib/DBIx/Class/Row.pm
@@ -4,9 +4,9 @@ use strict;
 use warnings;
 
 use base qw/DBIx::Class/;
-use Carp::Clan qw/^DBIx::Class/;
+
+use DBIx::Class::Exception;
 use Scalar::Util ();
-use Scope::Guard;
 
 ###
 ### Internal method
@@ -155,7 +155,7 @@ sub new {
     $new->result_source($source);
   }
 
-  if (my $related = delete $attrs->{-from_resultset}) {
+  if (my $related = delete $attrs->{-cols_from_relations}) {
     @{$new->{_ignore_at_insert}={}}{@$related} = ();
   }
 
@@ -168,11 +168,11 @@ sub new {
     foreach my $key (keys %$attrs) {
       if (ref $attrs->{$key}) {
         ## Can we extract this lot to use with update(_or .. ) ?
-        confess "Can't do multi-create without result source" unless $source;
+        $new->throw_exception("Can't do multi-create without result source")
+          unless $source;
         my $info = $source->relationship_info($key);
-        if ($info && $info->{attrs}{accessor}
-          && $info->{attrs}{accessor} eq 'single')
-        {
+        my $acc_type = $info->{attrs}{accessor} || '';
+        if ($acc_type eq 'single') {
           my $rel_obj = delete $attrs->{$key};
           if(!Scalar::Util::blessed($rel_obj)) {
             $rel_obj = $new->__new_related_find_or_new_helper($key, $rel_obj);
@@ -187,9 +187,8 @@ sub new {
 
           $related->{$key} = $rel_obj;
           next;
-        } elsif ($info && $info->{attrs}{accessor}
-            && $info->{attrs}{accessor} eq 'multi'
-            && ref $attrs->{$key} eq 'ARRAY') {
+        }
+        elsif ($acc_type eq 'multi' && ref $attrs->{$key} eq 'ARRAY' ) {
           my $others = delete $attrs->{$key};
           my $total = @$others;
           my @objects;
@@ -209,9 +208,8 @@ sub new {
           }
           $related->{$key} = \@objects;
           next;
-        } elsif ($info && $info->{attrs}{accessor}
-          && $info->{attrs}{accessor} eq 'filter')
-        {
+        }
+        elsif ($acc_type eq 'filter') {
           ## 'filter' should disappear and get merged in with 'single' above!
           my $rel_obj = delete $attrs->{$key};
           if(!Scalar::Util::blessed($rel_obj)) {
@@ -354,18 +352,17 @@ sub insert {
   $self->{related_resultsets} = {};
 
   foreach my $relname (keys %related_stuff) {
-    my $rel_obj = $related_stuff{$relname};
-    my @cands;
-    if (Scalar::Util::blessed($rel_obj)
-          && $rel_obj->isa('DBIx::Class::Row'))
-    {
-      @cands = ($rel_obj);
-    }
-    elsif (ref $rel_obj eq 'ARRAY') {
-      @cands = @$rel_obj;
-    }
+    next unless $source->has_relationship ($relname);
 
-    if (@cands) {
+    my @cands = ref $related_stuff{$relname} eq 'ARRAY'
+      ? @{$related_stuff{$relname}}
+      : $related_stuff{$relname}
+    ;
+
+    if (@cands
+          && Scalar::Util::blessed($cands[0])
+            && $cands[0]->isa('DBIx::Class::Row')
+    ) {
       my $reverse = $source->reverse_relationship_info($relname);
       foreach my $obj (@cands) {
         $obj->set_from_related($_, $self) for keys %$reverse;
@@ -424,7 +421,7 @@ L</delete> on one, sets it to false.
 sub in_storage {
   my ($self, $val) = @_;
   $self->{_in_storage} = $val if @_ > 1;
-  return $self->{_in_storage};
+  return $self->{_in_storage} ? 1 : 0;
 }
 
 =head2 update
@@ -527,7 +524,9 @@ attempt is made to delete all the related objects as well. To turn
 this behaviour off, pass C<< cascade_delete => 0 >> in the C<$attr>
 hashref of the relationship, see L<DBIx::Class::Relationship>. Any
 database-level cascade or restrict will take precedence over a
-DBIx-Class-based cascading delete.
+DBIx-Class-based cascading delete, since DBIx-Class B<deletes the
+main row first> and only then attempts to delete any remaining related
+rows.
 
 If you delete an object within a txn_do() (see L<DBIx::Class::Storage/txn_do>)
 and the transaction subsequently fails, the row object will remain marked as
@@ -751,10 +750,41 @@ See L<DBIx::Class::InflateColumn> for how to setup inflation.
 
 sub get_inflated_columns {
   my $self = shift;
-  return map {
-    my $accessor = $self->column_info($_)->{'accessor'} || $_;
-    ($_ => $self->$accessor);
-  } grep $self->has_column_loaded($_), $self->columns;
+
+  my %loaded_colinfo = (map
+    { $_ => $self->column_info($_) }
+    (grep { $self->has_column_loaded($_) } $self->columns)
+  );
+
+  my %inflated;
+  for my $col (keys %loaded_colinfo) {
+    if (exists $loaded_colinfo{$col}{accessor}) {
+      my $acc = $loaded_colinfo{$col}{accessor};
+      $inflated{$col} = $self->$acc if defined $acc;
+    }
+    else {
+      $inflated{$col} = $self->$col;
+    }
+  }
+
+  # return all loaded columns with the inflations overlayed on top
+  return ($self->get_columns, %inflated);
+}
+
+sub _is_column_numeric {
+   my ($self, $column) = @_;
+    my $colinfo = $self->column_info ($column);
+
+    # cache for speed (the object may *not* have a resultsource instance)
+    if (not defined $colinfo->{is_numeric} && $self->_source_handle) {
+      $colinfo->{is_numeric} =
+        $self->result_source->schema->storage->is_datatype_numeric ($colinfo->{data_type})
+          ? 1
+          : 0
+        ;
+    }
+
+    return $colinfo->{is_numeric};
 }
 
 =head2 set_column
@@ -785,7 +815,7 @@ sub set_column {
   $self->{_orig_ident} ||= $self->ident_condition;
   my $old_value = $self->get_column($column);
 
-  $self->store_column($column, $new_value);
+  $new_value = $self->store_column($column, $new_value);
 
   my $dirty;
   if (!$self->in_storage) { # no point tracking dirtyness on uninserted data
@@ -801,18 +831,7 @@ sub set_column {
     $dirty = 0;
   }
   else {  # do a numeric comparison if datatype allows it
-    my $colinfo = $self->column_info ($column);
-
-    # cache for speed (the object may *not* have a resultsource instance)
-    if (not defined $colinfo->{is_numeric} && $self->_source_handle) {
-      $colinfo->{is_numeric} =
-        $self->result_source->schema->storage->is_datatype_numeric ($colinfo->{data_type})
-          ? 1
-          : 0
-        ;
-    }
-
-    if ($colinfo->{is_numeric}) {
+    if ($self->_is_column_numeric($column)) {
       $dirty = $old_value != $new_value;
     }
     else {
@@ -879,7 +898,7 @@ Will even accept arrayrefs of data as a value to a
 L<DBIx::Class::Relationship/has_many> key, and create the related
 objects if necessary.
 
-Be aware that the input hashref might be edited in place, so dont rely
+Be aware that the input hashref might be edited in place, so don't rely
 on it being the same after a call to C<set_inflated_columns>. If you
 need to preserve the hashref, it is sufficient to pass a shallow copy
 to C<set_inflated_columns>, e.g. ( { %{ $href } } )
@@ -893,21 +912,18 @@ sub set_inflated_columns {
   foreach my $key (keys %$upd) {
     if (ref $upd->{$key}) {
       my $info = $self->relationship_info($key);
-      if ($info && $info->{attrs}{accessor}
-        && $info->{attrs}{accessor} eq 'single')
-      {
+      my $acc_type = $info->{attrs}{accessor} || '';
+      if ($acc_type eq 'single') {
         my $rel = delete $upd->{$key};
         $self->set_from_related($key => $rel);
         $self->{_relationship_data}{$key} = $rel;
-      } elsif ($info && $info->{attrs}{accessor}
-        && $info->{attrs}{accessor} eq 'multi') {
-          $self->throw_exception(
-            "Recursive update is not supported over relationships of type multi ($key)"
-          );
       }
-      elsif ($self->has_column($key)
-        && exists $self->column_info($key)->{_inflate_info})
-      {
+      elsif ($acc_type eq 'multi') {
+        $self->throw_exception(
+          "Recursive update is not supported over relationships of type '$acc_type' ($key)"
+        );
+      }
+      elsif ($self->has_column($key) && exists $self->column_info($key)->{_inflate_info}) {
         $self->set_inflated_column($key, delete $upd->{$key});
       }
     }
@@ -1046,9 +1062,10 @@ sub inflate_result {
   my ($source_handle) = $source;
 
   if ($source->isa('DBIx::Class::ResultSourceHandle')) {
-      $source = $source_handle->resolve
-  } else {
-      $source_handle = $source->handle
+    $source = $source_handle->resolve
+  } 
+  else {
+    $source_handle = $source->handle
   }
 
   my $new = {
@@ -1057,17 +1074,29 @@ sub inflate_result {
   };
   bless $new, (ref $class || $class);
 
-  my $schema;
   foreach my $pre (keys %{$prefetch||{}}) {
-    my $pre_val = $prefetch->{$pre};
-    my $pre_source = $source->related_source($pre);
-    $class->throw_exception("Can't prefetch non-existent relationship ${pre}")
-      unless $pre_source;
-    if (ref($pre_val->[0]) eq 'ARRAY') { # multi
-      my @pre_objects;
 
-      for my $me_pref (@$pre_val) {
+    my $pre_source = $source->related_source($pre)
+      or $class->throw_exception("Can't prefetch non-existent relationship ${pre}");
 
+    my $accessor = $source->relationship_info($pre)->{attrs}{accessor}
+      or $class->throw_exception("No accessor for prefetched $pre");
+
+    my @pre_vals;
+    if (ref $prefetch->{$pre}[0] eq 'ARRAY') {
+      @pre_vals = @{$prefetch->{$pre}};
+    }
+    elsif ($accessor eq 'multi') {
+      $class->throw_exception("Implicit prefetch (via select/columns) not supported with accessor 'multi'");
+    }
+    else {
+      @pre_vals = $prefetch->{$pre};
+    }
+
+    my @pre_objects;
+    for my $me_pref (@pre_vals) {
+
+        # FIXME - this should not be necessary
         # the collapser currently *could* return bogus elements with all
         # columns set to undef
         my $has_def;
@@ -1082,29 +1111,16 @@ sub inflate_result {
         push @pre_objects, $pre_source->result_class->inflate_result(
           $pre_source, @$me_pref
         );
-      }
+    }
 
-      $new->related_resultset($pre)->set_cache(\@pre_objects);
-    } elsif (defined $pre_val->[0]) {
-      my $fetched;
-      unless ($pre_source->primary_columns == grep { exists $pre_val->[0]{$_}
-         and !defined $pre_val->[0]{$_} } $pre_source->primary_columns)
-      {
-        $fetched = $pre_source->result_class->inflate_result(
-                      $pre_source, @{$pre_val});
-      }
-      my $accessor = $source->relationship_info($pre)->{attrs}{accessor};
-      $class->throw_exception("No accessor for prefetched $pre")
-       unless defined $accessor;
-      if ($accessor eq 'single') {
-        $new->{_relationship_data}{$pre} = $fetched;
-      } elsif ($accessor eq 'filter') {
-        $new->{_inflated_column}{$pre} = $fetched;
-      } else {
-       $class->throw_exception("Implicit prefetch (via select/columns) not supported with accessor '$accessor'");
-      }
-      $new->related_resultset($pre)->set_cache([ $fetched ]);
+    if ($accessor eq 'single') {
+      $new->{_relationship_data}{$pre} = $pre_objects[0];
+    }
+    elsif ($accessor eq 'filter') {
+      $new->{_inflated_column}{$pre} = $pre_objects[0];
     }
+
+    $new->related_resultset($pre)->set_cache(\@pre_objects);
   }
 
   $new->in_storage (1);
@@ -1331,10 +1347,12 @@ See L<DBIx::Class::Schema/throw_exception>.
 
 sub throw_exception {
   my $self=shift;
+
   if (ref $self && ref $self->result_source && $self->result_source->schema) {
-    $self->result_source->schema->throw_exception(@_);
-  } else {
-    croak(@_);
+    $self->result_source->schema->throw_exception(@_)
+  }
+  else {
+    DBIx::Class::Exception->throw(@_);
   }
 }