expansion wrapping: in

[scpubgit/Q-Branch.git] / lib / SQL / Abstract.pm

diff --git a/lib/SQL/Abstract.pm b/lib/SQL/Abstract.pm
index bae8698..7499493 100644 (file)
--- a/lib/SQL/Abstract.pm
+++ b/lib/SQL/Abstract.pm
@@ -146,10 +146,10 @@ our %Defaults = (
     values => '_expand_values',
   },
   expand_op => {
-    'between' => '_expand_between',
-    'not_between' => '_expand_between',
-    'in' => '_expand_in',
-    'not_in' => '_expand_in',
+    (map +($_ => __PACKAGE__->make_binop_expander('_expand_between')),
+      qw(between not_between)),
+    (map +($_ => __PACKAGE__->make_binop_expander('_expand_in')),
+      qw(in not_in)),
     'nest' => '_expand_nest',
     (map +($_ => '_expand_op_andor'), ('and', 'or')),
     (map +($_ => '_expand_op_is'), ('is', 'is_not')),
@@ -307,6 +307,26 @@ sub _ext_rw {
   return $self;
 }
 
+sub make_unop_expander {
+  my (undef, $exp) = @_;
+  sub {
+    my ($self, $name, $body, $k) = @_;
+    return $self->_expand_hashpair_cmp($k, { "-${name}" => $body })
+      if defined($k);
+    return $self->$exp($name, $body);
+  }
+}
+
+sub make_binop_expander {
+  my (undef, $exp) = @_;
+  sub {
+    my ($self, $name, $body, $k) = @_;
+    $k = shift @{$body = [ @$body ]} unless defined $k;
+    $k = ref($k) ? $k : { -ident => $k };
+    return $self->$exp($name, $body, $k);
+  }
+}
+
 BEGIN {
   foreach my $type (qw(
     expand op_expand render op_render clause_expand clause_render
@@ -424,7 +444,6 @@ sub _expand_insert_clause_from {
   if (ref($data) eq 'HASH' and (keys(%$data))[0] =~ /^-/) {
     return $self->expand_expr($data);
   }
-  return $data if ref($data) eq 'HASH' and $data->{-row};
   my ($f_aqt, $v_aqt) = $self->_expand_insert_values($data);
   return (
     from => { -values => [ $v_aqt ] },
@@ -1288,7 +1307,6 @@ sub _expand_op_is {
 
 sub _expand_between {
   my ($self, $op, $vv, $k) = @_;
-  $k = shift @{$vv = [ @$vv ]} unless defined $k;
   my @rhs = map $self->_expand_expr($_),
               ref($vv) eq 'ARRAY' ? @$vv : $vv;
   unless (
@@ -1300,14 +1318,13 @@ sub _expand_between {
   }
   return +{ -op => [
     $op,
-    $self->expand_expr(ref($k) ? $k : { -ident => $k }),
+    $self->expand_expr($k),
     map $self->expand_expr($_, -value), @rhs
   ] }
 }
 
 sub _expand_in {
   my ($self, $op, $vv, $k) = @_;
-  $k = shift @{$vv = [ @$vv ]} unless defined $k;
   if (my $literal = is_literal_value($vv)) {
     my ($sql, @bind) = @$literal;
     my $opened_sql = $self->_open_outer_paren($sql);
@@ -1352,11 +1369,6 @@ sub _expand_nest {
   return $self->_expand_expr($v);
 }
 
-sub _expand_noop {
-  my ($self, $type, $v) = @_;
-  return { "-${type}" => $v };
-}
-
 sub _expand_values {
   my ($self, undef, $values) = @_;
   return { -values => [