Resolve $rsrc instance duality on metadata traversal

[dbsrgits/DBIx-Class.git] / lib / DBIx / Class / Row.pm

diff --git a/lib/DBIx/Class/Row.pm b/lib/DBIx/Class/Row.pm
index daf5885..6d1b341 100644 (file)
--- a/lib/DBIx/Class/Row.pm
+++ b/lib/DBIx/Class/Row.pm
@@ -6,8 +6,7 @@ use warnings;
 use base qw/DBIx::Class/;
 
 use Scalar::Util 'blessed';
-use List::Util 'first';
-use DBIx::Class::_Util 'dbic_internal_try';
+use DBIx::Class::_Util qw( dbic_internal_try fail_on_internal_call );
 use DBIx::Class::Carp;
 use SQL::Abstract qw( is_literal_value is_plain_value );
 
@@ -344,7 +343,7 @@ sub insert {
   $self->throw_exception("No result_source set on this object; can't insert")
     unless $rsrc;
 
-  my $storage = $rsrc->storage;
+  my $storage = $rsrc->schema->storage;
 
   my $rollback_guard;
 
@@ -373,8 +372,7 @@ sub insert {
       my $existing;
 
       # if there are no keys - nothing to search for
-      if (keys %$them and $existing = $self->result_source
-                                           ->related_source($rel_name)
+      if (keys %$them and $existing = $rsrc->related_source($rel_name)
                                            ->resultset
                                            ->find($them)
       ) {
@@ -419,7 +417,14 @@ sub insert {
           or
         (defined $current_rowdata{$_} xor defined $returned_cols->{$_})
           or
-        (defined $current_rowdata{$_} and $current_rowdata{$_} ne $returned_cols->{$_})
+        (
+          defined $current_rowdata{$_}
+            and
+          # one of the few spots doing forced-stringification
+          # needed to work around objects with defined stringification
+          # but *without* overloaded comparison (ugh!)
+          "$current_rowdata{$_}" ne "$returned_cols->{$_}"
+        )
       );
   }
 
@@ -551,7 +556,7 @@ sub update {
 
   $self->throw_exception( "Not in database" ) unless $self->in_storage;
 
-  my $rows = $self->result_source->storage->update(
+  my $rows = $self->result_source->schema->storage->update(
     $self->result_source, \%to_update, $self->_storage_ident_condition
   );
   if ($rows == 0) {
@@ -613,7 +618,7 @@ sub delete {
   if (ref $self) {
     $self->throw_exception( "Not in database" ) unless $self->in_storage;
 
-    $self->result_source->storage->delete(
+    $self->result_source->schema->storage->delete(
       $self->result_source, $self->_storage_ident_condition
     );
 
@@ -892,15 +897,18 @@ sub get_inflated_columns {
 sub _is_column_numeric {
     my ($self, $column) = @_;
 
-    return undef unless $self->result_source->has_column($column);
+    my $rsrc;
+
+    return undef
+      unless ( $rsrc = $self->result_source )->has_column($column);
 
-    my $colinfo = $self->result_source->column_info ($column);
+    my $colinfo = $rsrc->column_info ($column);
 
     # cache for speed (the object may *not* have a resultsource instance)
     if (
       ! defined $colinfo->{is_numeric}
         and
-      my $storage = dbic_internal_try { $self->result_source->schema->storage }
+      my $storage = dbic_internal_try { $rsrc->schema->storage }
     ) {
       $colinfo->{is_numeric} =
         $storage->is_datatype_numeric ($colinfo->{data_type})
@@ -1026,7 +1034,10 @@ sub _eq_column_values {
 # value tracked between column changes and commitment to storage
 sub _track_storage_value {
   my ($self, $col) = @_;
-  return defined first { $col eq $_ } ($self->result_source->primary_columns);
+  return scalar grep
+    { $col eq $_ }
+    $self->result_source->primary_columns
+  ;
 }
 
 =head2 set_columns
@@ -1188,7 +1199,7 @@ sub copy {
         foreign_alias => "\xFF", # irrelevant,
       )->{inferred_values}
 
-    ) for $self->search_related($rel_name)->all;
+    ) for $self->related_resultset($rel_name)->all;
   }
   return $new;
 }
@@ -1221,17 +1232,13 @@ sub store_column {
   $self->throw_exception( "set_column called for ${column} without value" )
     if @_ < 3;
 
-  return $self->{_column_data}{$column} = $value
-    unless length ref $value and my $vref = is_plain_value( $value );
-
-  # if we are dealing with a value/ref - there are a couple possibilities
-  # unpack the underlying piece of data and stringify all objects explicitly
-  # ( to accomodate { -value => ... } and guard against overloaded objects
-  # with defined stringification AND fallback => 0 (ugh!)
-  $self->{_column_data}{$column} = defined blessed $$vref
-    ? "$$vref"
-    : $$vref
-  ;
+  my $vref;
+  $self->{_column_data}{$column} = (
+    # unpack potential { -value => "foo" }
+    ( length ref $value and $vref = is_plain_value( $value ) )
+      ? $$vref
+      : $value
+  );
 }
 
 =head2 inflate_result
@@ -1352,7 +1359,10 @@ Alias for L</update_or_insert>
 
 =cut
 
-sub insert_or_update { shift->update_or_insert(@_) }
+sub insert_or_update {
+  DBIx::Class::_ENV_::ASSERT_NO_INTERNAL_INDIRECT_CALLS and fail_on_internal_call;
+  shift->update_or_insert(@_);
+}
 
 sub update_or_insert {
   my $self = shift;
@@ -1420,21 +1430,14 @@ Accessor to the L<DBIx::Class::ResultSource> this object was created from.
 =cut
 
 sub result_source {
-  $_[0]->throw_exception( 'result_source can be called on instances only' )
-    unless ref $_[0];
-
-  @_ > 1
-    ? $_[0]->{_result_source} = $_[1]
-
-    # note this is a || not a ||=, the difference is important
-    : $_[0]->{_result_source} || do {
-        $_[0]->can('result_source_instance')
-          ? $_[0]->result_source_instance
-          : $_[0]->throw_exception(
-            "No result source instance registered for @{[ ref $_[0] ]}, did you forget to call @{[ ref $_[0] ]}->table(...) ?"
-          )
-      }
-  ;
+  # this is essentially a `shift->result_source_instance(@_)` with handholding
+  &{
+    $_[0]->can('result_source_instance')
+      ||
+    $_[0]->throw_exception(
+      "No result source instance registered for '@{[ $_[0] ]}', did you forget to call @{[ ref $_[0] || $_[0] ]}->table(...) ?"
+    )
+  };
 }
 
 =head2 register_column
@@ -1581,9 +1584,9 @@ sub throw_exception {
   my $self=shift;
 
   if (
-    ref $self
+    ! DBIx::Class::_Util::in_internal_try
       and
-    my $rsrc = dbic_internal_try { $self->result_source_instance }
+    my $rsrc = dbic_internal_try { $self->result_source }
   ) {
     $rsrc->throw_exception(@_)
   }