1 package Data::Query::ExprHelpers;
4 use Data::Query::Constants;
8 our @EXPORT = qw(perl_scalar_value perl_operator Literal Identifier);
10 sub perl_scalar_value {
13 subtype => { Perl => 'Scalar' },
15 $_[1] ? (value_meta => $_[1]) : ()
23 operator => { Perl => $op },
29 Join => [ qw(left right on outer) ],
30 Alias => [ qw(to from) ],
31 Operator => [ qw(operator args) ],
32 Select => [ qw(select from) ],
33 Where => [ qw(where from) ],
34 Order => [ qw(by reverse from) ],
35 Group => [ qw(by from) ],
36 Delete => [ qw(where target) ],
37 Update => [ qw(set where target) ],
38 Insert => [ qw(names values target returning) ],
39 Slice => [ qw(offset limit from) ],
52 ($_[1] ? (values => $_[1]) : ())
58 type => DQ_IDENTIFIER,
63 foreach my $name (values %Data::Query::Constants::CONST) {
65 my $sub = "is_${name}";
72 my @map = @{$map{$name}};
74 my $dq = { type => $name };
76 $dq->{$map[$_]} = $_[$_] if defined $_[$_];