8 use Moose::Util::TypeConstraints;
9 use MooseX::Types::Moose qw/ArrayRef Str Int HashRef CodeRef/;
10 use MooseX::AttributeHelpers;
11 use SQL::Abstract::Types qw/NameSeparator QuoteChars AST HashAST ArrayAST/;
12 use Devel::PartialDump qw/dump/;
16 our $VERSION = '2.000000';
18 our $AST_VERSION = '1';
20 # Operator precedence for bracketing
31 # LIKE is always "field LIKE <value>"
33 '-not_like' => 'NOT LIKE',
36 has expr_dispatch_table => (
39 builder => '_build_expr_dispatch_table',
40 isa => HashRef[CodeRef],
41 metaclass => 'Collection::ImmutableHash',
43 get => 'lookup_expr_dispatch'
50 builder => '_build_binops',
52 metaclass => 'Collection::ImmutableHash',
54 exists => 'is_valid_binop',
55 get => 'binop_mapping',
56 keys => 'binary_operators'
60 # List of default binary operators (for in where clauses)
61 sub _build_binops { return {%BINOP_MAP} };
63 method _build_expr_dispatch_table {
64 my $binop = $self->can('_binop') or croak "InternalError: $self can't do _binop!";
66 map { $_ => $binop } $self->binary_operators
76 has name_separator => (
83 has list_separator => (
93 predicate => 'is_quoting',
94 clearer => 'disable_quoting',
101 clearer => '_clear_binds',
103 default => sub { [ ] },
104 metaclass => 'Collection::Array',
110 # TODO: once MXMS supports %args, use that here
111 method create(ClassName $class: Int $ver) {
112 croak "AST version $ver is greater than supported version of $AST_VERSION"
113 if $ver > $AST_VERSION;
115 my $name = "${class}::AST::v$ver";
116 Class::MOP::load_class($name);
118 return $name->new(ast_version => $ver);
122 method generate(ClassName $class: HashAST $ast) {
123 my $ver = $ast->{-ast_version};
124 croak "SQL::Abstract AST version not specified"
127 # TODO: once MXMS supports %args, use that here
128 my $self = $class->create($ver);
130 return ($self->dispatch($ast), $self->binds);
134 $self->_clear_binds();
137 method dispatch (AST $ast) {
140 # I want multi methods!
142 if (is_ArrayAST($ast)) {
143 confess "FIX: " . dump($ast);
145 $tag = "_" . $ast->{-type};
148 my $meth = $self->can($tag) || croak "Unknown tag '$tag'";
149 return $meth->($self, $ast);