$self->_expand_maybe_list_expr( [
map {
my ($k, $set) = @$_;
+ $set = { -bind => $_ } unless defined $set;
+{ -op => [ '=', { -ident => $k }, $set ] };
}
map {
my $expander = sub {
my ($self, $dir, $expr) = @_;
+ my @to_expand = ref($expr) eq 'ARRAY' ? @$expr : $expr;
+ foreach my $arg (@to_expand) {
+ if (
+ ref($arg) eq 'HASH'
+ and keys %$arg > 1
+ and grep /^-(asc|desc)$/, keys %$arg
+ ) {
+ puke "ordering direction hash passed to order by must have exactly one key (-asc or -desc)";
+ }
+ }
my @exp = map +(defined($dir) ? { -op => [ $dir => $_ ] } : $_),
- map $self->_expand_expr($_, undef, -ident),
- ref($expr) eq 'ARRAY' ? @$expr : $expr;
+ map $self->_expand_expr($_, undef, -ident), @to_expand;
return (@exp > 1 ? { -op => [ ',', @exp ] } : $exp[0]);
};