From: David Kamholz <dkamholz@cpan.org>
Date: Wed, 22 Nov 2006 06:44:26 +0000 (+0000)
Subject: - slight optimization to ident_condition in PK.pm
X-Git-Tag: v0.08010~215
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=dbsrgits%2FDBIx-Class.git;a=commitdiff_plain;h=e04df8eca9c7bffa47dc33a45e44634e0b908651

- slight optimization to ident_condition in PK.pm
- get ident_cond in update() before applying arguments, so a column's pk can be updated
---

diff --git a/lib/DBIx/Class/PK.pm b/lib/DBIx/Class/PK.pm
index ea22a21..9b9f8a4 100644
--- a/lib/DBIx/Class/PK.pm
+++ b/lib/DBIx/Class/PK.pm
@@ -99,8 +99,8 @@ Produces a condition hash to locate a row based on the primary key(s).
 sub ident_condition {
   my ($self, $alias) = @_;
   my %cond;
-  $cond{(defined $alias ? "${alias}.$_" : $_)} = $self->get_column($_)
-    for $self->primary_columns;
+  my $prefix = defined $alias ? $alias.'.' : '';
+  $cond{$prefix.$_} = $self->get_column($_) for $self->primary_columns;
   return \%cond;
 }
 
diff --git a/lib/DBIx/Class/Row.pm b/lib/DBIx/Class/Row.pm
index 57f883f..213f3cc 100644
--- a/lib/DBIx/Class/Row.pm
+++ b/lib/DBIx/Class/Row.pm
@@ -110,12 +110,12 @@ required.
 sub update {
   my ($self, $upd) = @_;
   $self->throw_exception( "Not in database" ) unless $self->in_storage;
-  $self->set_columns($upd) if $upd;
-  my %to_update = $self->get_dirty_columns;
-  return $self unless keys %to_update;
   my $ident_cond = $self->ident_condition;
   $self->throw_exception("Cannot safely update a row in a PK-less table")
     if ! keys %$ident_cond;
+  $self->set_columns($upd) if $upd;
+  my %to_update = $self->get_dirty_columns;
+  return $self unless keys %to_update;
   my $rows = $self->result_source->storage->update(
                $self->result_source->from, \%to_update, $ident_cond);
   if ($rows == 0) {