13 my ($self, $data) = @_;
14 my $class = ref($self) || $self;
15 return bless(\$data, $class);
18 sub _op_num_eq { shift->_binop('==', @_) };
19 sub _op_num_gt { shift->_binop('>', @_) };
22 my ($self, $op, $rhs) = @_;
26 (ref $rhs ? ${$rhs} : [ -value, $rhs ]),
33 our $AUTOLOAD =~ s/.*:://;
34 return I::E->new([ -name, $AUTOLOAD ]);
46 use Data::Dump qw(dump);
47 use Scalar::Util qw(blessed);
51 blessed($un) && $un->isa('E')
54 ? [ map { _une($_) } @$un ]
59 local $_ = bless(\do { my $x }, 'I');
60 map { _une($_) } $_[0]->();
64 map { ref($_) eq 'ARRAY' ? [ -alias, $_->[1], $_->[0] ] : $_ } @_
67 sub expr (&) { _run_e(@_) }
69 return [ @_ ] unless @_ > 2; # FOO { ... }<nothing or ,>
72 my $ret = [ $name, _run_e($code), shift ];
73 return $ret unless @_;
77 my ($name, $code, @in) = @_;
85 sub ORDER_BY (&;@) { _do(-order_by, @_) }
86 sub SELECT (&;@) { _dolist('-select', @_); }
87 sub JOIN (&;@) { _do('-join', shift, [ -list => _aliasify @{+shift} ], @_) }
88 sub WHERE (&;@) { _do(-where, @_) }
89 sub GROUP_BY (&;@) { _dolist(-group_by, @_); }
90 sub sum { E->new([ -sum, _une(shift) ]); }
92 #warn dump(expr { $_->one == $_->two });
94 ORDER_BY { $_->aggregates->total }
95 SELECT { $_->users->name, $_->aggregates->total }
96 JOIN { $_->users->id == $_->aggregates->recipient_id }
98 [ users => expr { $_->users } ],
101 SELECT { $_->recipient_id, [ total => sum($_->commission) ] }
102 WHERE { sum($_->commission) > 500 }
103 GROUP_BY { $_->recipient_id }
104 WHERE { $_->entry_date > '2007-01-01' }
105 expr { $_->commissions }
112 ORDER_BY { $_->aggregates->total }
113 SELECT { $_->users->name, $_->aggregates->total }
114 JOIN { $_->users->id == $_->aggregates->recipient_id }
116 [ users => expr { $_->users } ],
119 SELECT { $_->recipient_id, [ total => sum($_->commission) ] }
120 WHERE { sum($_->commission) > 500 }
121 GROUP_BY { $_->recipient_id }
122 WHERE { $_->entry_date > '2007-01-01' }
123 expr { $_->commissions }
130 ORDER_BY { $_->aggregates->total }
131 SELECT { $_->users->name, $_->aggregates->total }
132 WHERE { $_->aggregates->total > 500 }
133 JOIN { $_->users->id == $_->aggregates->recipient_id }
135 [ users => expr { $_->users } ],
138 SELECT { $_->recipient_id, [ total => sum($_->commission) ] }
139 GROUP_BY { $_->recipient_id }
140 WHERE { $_->entry_date > '2007-01-01' }
141 expr { $_->commissions }