From: Matt S Trout <mst@shadowcat.co.uk>
Date: Tue, 14 Feb 2006 15:43:35 +0000 (+0000)
Subject: Improvements to copy() and set_from_related() code
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=fde6e28e54ac4ca5ec0f0616f7e96eea20ef83dd;p=dbsrgits%2FDBIx-Class-Historic.git

Improvements to copy() and set_from_related() code
---

diff --git a/Changes b/Changes
index e200673..de60b28 100644
--- a/Changes
+++ b/Changes
@@ -1,5 +1,7 @@
 Revision history for DBIx::Class
 
+        - clean up set_from_related
+        - made copy() automatically null out auto-inc columns
 	- Another fix for count with scalar group_by.
 
 0.05005 2006-02-13 21:24:51
diff --git a/lib/DBIx/Class/Relationship/Base.pm b/lib/DBIx/Class/Relationship/Base.pm
index b10c687..7e6542d 100644
--- a/lib/DBIx/Class/Relationship/Base.pm
+++ b/lib/DBIx/Class/Relationship/Base.pm
@@ -196,15 +196,9 @@ sub set_from_related {
   my $f_class = $self->result_source->schema->class($rel_obj->{class});
   $self->throw_exception( "Object $f_obj isn't a ".$f_class )
     unless $f_obj->isa($f_class);
-  foreach my $key (keys %$cond) {
-    next if ref $cond->{$key}; # Skip literals and complex conditions
-    $self->throw_exception("set_from_related can't handle $key as key")
-      unless $key =~ m/^foreign\.([^\.]+)$/;
-    my $val = $f_obj->get_column($1);
-    $self->throw_exception("set_from_related can't handle ".$cond->{$key}." as value")
-      unless $cond->{$key} =~ m/^self\.([^\.]+)$/;
-    $self->set_column($1 => $val);
-  }
+  $self->set_columns(
+    $self->result_source->resolve_condition(
+       $rel_obj->{cond}, $f_obj, $rel));
   return 1;
 }
 
diff --git a/lib/DBIx/Class/ResultSource.pm b/lib/DBIx/Class/ResultSource.pm
index 7270b5f..2e75f32 100644
--- a/lib/DBIx/Class/ResultSource.pm
+++ b/lib/DBIx/Class/ResultSource.pm
@@ -405,6 +405,8 @@ sub resolve_condition {
         #warn "$self $k $for $v";
         $ret{$k} = $for->get_column($v);
         #warn %ret;
+      } elsif (ref $as) { # reverse object
+        $ret{$v} = $as->get_column($k);
       } else {
         $ret{"${as}.${k}"} = "${for}.${v}";
       }
diff --git a/lib/DBIx/Class/Row.pm b/lib/DBIx/Class/Row.pm
index bf4a526..9128599 100644
--- a/lib/DBIx/Class/Row.pm
+++ b/lib/DBIx/Class/Row.pm
@@ -236,7 +236,12 @@ Inserts a new row with the specified changes.
 
 sub copy {
   my ($self, $changes) = @_;
-  my $new = bless({ _column_data => { %{$self->{_column_data}}} }, ref $self);
+  my $col_data = { %{$self->{_column_data}} };
+  foreach my $col (keys %$col_data) {
+    delete $col_data->{$col}
+      if $self->result_source->column_info($col)->{is_auto_increment};
+  }
+  my $new = bless({ _column_data => $col_data }, ref $self);
   $new->set_column($_ => $changes->{$_}) for keys %$changes;
   return $new->insert;
 }