move _expand_not to method

diff --git a/lib/SQL/Abstract.pm b/lib/SQL/Abstract.pm
index d20f08e..7629bb3 100644 (file)
--- a/lib/SQL/Abstract.pm
+++ b/lib/SQL/Abstract.pm
@@ -194,7 +194,7 @@ sub new {
   $opt{expand} = {
     -ident => '_expand_ident',
     -value => '_expand_value',
-    -not => sub { +{ -op => [ 'not', $_[0]->_expand_expr($_[2]) ] } },
+    -not => '_expand_not',
     -bool => sub {
       my ($self, undef, $v) = @_;
       if (ref($v)) {
@@ -921,6 +921,10 @@ sub _expand_value {
   +{ -bind => [ our $Cur_Col_Meta, $_[2] ] };
 }
 
+sub _expand_not {
+  +{ -op => [ 'not', $_[0]->_expand_expr($_[2]) ] };
+}
+
 sub _recurse_where {
   my ($self, $where, $logic) = @_;