X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=dbsrgits%2FDBIx-Class.git;a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FRow.pm;h=c59f70a319874e489ac6c0fab6e08be8001b57ac;hp=1bfb38fc0e13d9bee62140c6db9fad5551f094f3;hb=908aa1bb761ec1da5c061fe9f687598e3f1934bc;hpb=16667b3ab96a1c4a533d071e8e52eed883724828 diff --git a/lib/DBIx/Class/Row.pm b/lib/DBIx/Class/Row.pm index 1bfb38f..c59f70a 100644 --- a/lib/DBIx/Class/Row.pm +++ b/lib/DBIx/Class/Row.pm @@ -1139,56 +1139,33 @@ sub inflate_result { foreach my $pre (keys %{$prefetch||{}}) { - my (@pre_vals, $is_multi); - if (ref $prefetch->{$pre}[0] eq 'ARRAY') { - $is_multi = 1; + my @pre_vals; + if (! @{$prefetch->{$pre}}) { + # nothing, empty @pre_vals is put in the caches + } + elsif (ref $prefetch->{$pre}[0] eq 'ARRAY') { @pre_vals = @{$prefetch->{$pre}}; } else { @pre_vals = $prefetch->{$pre}; } - my $pre_source = try { - $source->related_source($pre) - } - catch { - $class->throw_exception(sprintf - - "Can't inflate manual prefetch into non-existent relationship '%s' from '%s', " - . "check the inflation specification (columns/as) ending in '%s.%s'.", - - $pre, - $source->source_name, - $pre, - (keys %{$pre_vals[0][0]})[0] || 'something.something...', - ); - }; + my $pre_source = $source->related_source($pre); my $accessor = $source->relationship_info($pre)->{attrs}{accessor} - or $class->throw_exception("No accessor type declared for prefetched $pre"); - - if (! $is_multi and $accessor eq 'multi') { - $class->throw_exception("Manual prefetch (via select/columns) not supported with accessor 'multi'"); - } + or $class->throw_exception("No accessor type declared for prefetched relationship '$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 $has_def; - for (values %{$me_pref->[0]}) { - if (defined $_) { - $has_def++; - last; - } - } - next unless $has_def; + # FIXME SUBOPTIMAL - the new row parsers can very well optimize + # this away entirely, and *never* return such empty rows. + # For now we maintain inflate_result API backcompat + next unless first { defined $_ } values %{$me_pref->[0]}; - push @pre_objects, $pre_source->result_class->inflate_result( - $pre_source, @$me_pref - ); + push @pre_objects, $pre_source->result_class->inflate_result( + $pre_source, @$me_pref + ); } if ($accessor eq 'single') {