return $found;
}
-sub resolve_join {
- carp 'resolve_join is a private method, stop calling it';
- my $self = shift;
- $self->_resolve_join (@_);
-}
-
# Returns the {from} structure used to express JOIN conditions
sub _resolve_join {
my ($self, $join, $alias, $seen, $jpath, $parent_force_left) = @_;
$self->throw_exception ('You must supply a joinpath arrayref as the 4th argument to _resolve_join')
unless ref $jpath eq 'ARRAY';
- $jpath = [@$jpath];
+ $jpath = [@$jpath]; # copy
if (not defined $join) {
return ();
push @ret, (
$self->_resolve_join($rel, $alias, $seen, [@$jpath], $force_left),
$self->related_source($rel)->_resolve_join(
- $join->{$rel}, $as, $seen, [@$jpath, $rel], $force_left
+ $join->{$rel}, $as, $seen, [@$jpath, { $rel => $as }], $force_left
)
);
}
? 'left'
: $rel_info->{attrs}{join_type}
,
- -join_path => [@$jpath, $join],
+ -join_path => [@$jpath, { $join => $as } ],
+ -is_single => (
+ $rel_info->{attrs}{accessor}
+ &&
+ List::Util::first { $rel_info->{attrs}{accessor} eq $_ } (qw/single filter/)
+ ),
-alias => $as,
-relation_chain_depth => $seen->{-relation_chain_depth} || 0,
},
}
}
-# Legacy code, needs to go entirely away (fully replaced by _resolve_prefetch)
-sub resolve_prefetch {
- carp 'resolve_prefetch is a private method, stop calling it';
-
- my ($self, $pre, $alias, $seen, $order, $collapse) = @_;
- $seen ||= {};
- if( ref $pre eq 'ARRAY' ) {
- return
- map { $self->resolve_prefetch( $_, $alias, $seen, $order, $collapse ) }
- @$pre;
- }
- elsif( ref $pre eq 'HASH' ) {
- my @ret =
- map {
- $self->resolve_prefetch($_, $alias, $seen, $order, $collapse),
- $self->related_source($_)->resolve_prefetch(
- $pre->{$_}, "${alias}.$_", $seen, $order, $collapse)
- } keys %$pre;
- return @ret;
- }
- elsif( ref $pre ) {
- $self->throw_exception(
- "don't know how to resolve prefetch reftype ".ref($pre));
- }
- else {
- my $count = ++$seen->{$pre};
- my $as = ($count > 1 ? "${pre}_${count}" : $pre);
- my $rel_info = $self->relationship_info( $pre );
- $self->throw_exception( $self->name . " has no such relationship '$pre'" )
- unless $rel_info;
- my $as_prefix = ($alias =~ /^.*?\.(.+)$/ ? $1.'.' : '');
- my $rel_source = $self->related_source($pre);
-
- if (exists $rel_info->{attrs}{accessor}
- && $rel_info->{attrs}{accessor} eq 'multi') {
- $self->throw_exception(
- "Can't prefetch has_many ${pre} (join cond too complex)")
- unless ref($rel_info->{cond}) eq 'HASH';
- my $dots = @{[$as_prefix =~ m/\./g]} + 1; # +1 to match the ".${as_prefix}"
- if (my ($fail) = grep { @{[$_ =~ m/\./g]} == $dots }
- keys %{$collapse}) {
- my ($last) = ($fail =~ /([^\.]+)$/);
- carp (
- "Prefetching multiple has_many rels ${last} and ${pre} "
- .(length($as_prefix)
- ? "at the same level (${as_prefix}) "
- : "at top level "
- )
- . 'will explode the number of row objects retrievable via ->next or ->all. '
- . 'Use at your own risk.'
- );
- }
- #my @col = map { (/^self\.(.+)$/ ? ("${as_prefix}.$1") : ()); }
- # values %{$rel_info->{cond}};
- $collapse->{".${as_prefix}${pre}"} = [ $rel_source->primary_columns ];
- # action at a distance. prepending the '.' allows simpler code
- # in ResultSet->_collapse_result
- my @key = map { (/^foreign\.(.+)$/ ? ($1) : ()); }
- keys %{$rel_info->{cond}};
- my @ord = (ref($rel_info->{attrs}{order_by}) eq 'ARRAY'
- ? @{$rel_info->{attrs}{order_by}}
- : (defined $rel_info->{attrs}{order_by}
- ? ($rel_info->{attrs}{order_by})
- : ()));
- push(@$order, map { "${as}.$_" } (@key, @ord));
- }
-
- return map { [ "${as}.$_", "${as_prefix}${pre}.$_", ] }
- $rel_source->columns;
- }
-}
# Accepts one or more relationships for the current source and returns an
# array of column names for each of those relationships. Column names are
# prefixed relative to the current source, in accordance with where they appear
-# in the supplied relationships. Needs an alias_map generated by
-# $rs->_joinpath_aliases
+# in the supplied relationships.
sub _resolve_prefetch {
my ($self, $pre, $alias, $alias_map, $order, $collapse, $pref_path) = @_;
my $as_prefix = ($alias =~ /^.*?\.(.+)$/ ? $1.'.' : '');
my $rel_source = $self->related_source($pre);
- if (exists $rel_info->{attrs}{accessor}
- && $rel_info->{attrs}{accessor} eq 'multi') {
+ if ($rel_info->{attrs}{accessor} && $rel_info->{attrs}{accessor} eq 'multi') {
$self->throw_exception(
"Can't prefetch has_many ${pre} (join cond too complex)")
unless ref($rel_info->{cond}) eq 'HASH';
keys %{$rel_info->{cond}};
my @ord = (ref($rel_info->{attrs}{order_by}) eq 'ARRAY'
? @{$rel_info->{attrs}{order_by}}
- : (defined $rel_info->{attrs}{order_by}
+
+ : (defined $rel_info->{attrs}{order_by}
? ($rel_info->{attrs}{order_by})
: ()));
push(@$order, map { "${as}.$_" } (@key, @ord));
=cut
sub handle {
- return new DBIx::Class::ResultSourceHandle({
+ return DBIx::Class::ResultSourceHandle->new({
schema => $_[0]->schema,
source_moniker => $_[0]->source_name
});
__PACKAGE__->column_info_from_storage(1);
Enables the on-demand automatic loading of the above column
-metadata from storage as neccesary. This is *deprecated*, and
+metadata from storage as necessary. This is *deprecated*, and
should not be used. It will be removed before 1.0.
projects / dbsrgits/DBIx-Class.git / blobdiff