restore expand stability for extraclauses

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

diff --git a/lib/SQL/Abstract/ExtraClauses.pm b/lib/SQL/Abstract/ExtraClauses.pm
index 9eb04a8..9af44a5 100644 (file)
--- a/lib/SQL/Abstract/ExtraClauses.pm
+++ b/lib/SQL/Abstract/ExtraClauses.pm
@@ -87,7 +87,7 @@ sub register_defaults {
 
   $self->clause_renderer('select.setop' => sub {
     my ($self, undef, $setop) = @_;
-    @{ $self->render_aqt($setop) };
+    $self->render_aqt($setop);
   });
 
   $self->renderer($_ => sub {
@@ -116,22 +116,33 @@ sub register_defaults {
           qw(union intersect except)
   );
 
+  my $expand_alias = sub {
+    my ($self, $to_expand) = @_;
+    [ map $self->expand_expr($_, -ident),
+        ref($to_expand) eq 'ARRAY'
+          ? @$to_expand
+          : $to_expand
+    ]
+  };
   $self->clause_expander('select.with' => my $with_expander = sub {
     my ($self, $name, $with) = @_;
     my (undef, $type) = split '_', $name;
     if (ref($with) eq 'HASH') {
       return +{
         %$with,
-        queries => [ map $self->expand_expr($_), @{$with->{queries}} ]
+        queries => [
+          map +[
+            $self->$expand_alias($_->[0]),
+            $self->expand_expr($_->[1]),
+          ], @{$with->{queries}}
+        ]
       }
     }
     my @with = @$with;
     my @exp;
-    while (my ($name, $query) = splice @with, 0, 2) {
-      my @n = map $self->expand_expr($_, -ident),
-                ref($name) eq 'ARRAY' ? @$name : $name;
+    while (my ($alias, $query) = splice @with, 0, 2) {
       push @exp, [
-        \@n,
+        $self->$expand_alias($alias),
         $self->expand_expr($query)
       ];
     }
@@ -140,16 +151,16 @@ sub register_defaults {
   $self->clause_expander('select.with_recursive', $with_expander);
   $self->clause_renderer('select.with' => sub {
     my ($self, undef, $with) = @_;
-    my $q_part = [ $self->join_query_parts(', ',
+    my $q_part = $self->join_query_parts(', ',
       map {
         my ($alias, $query) = @$_;
-        [ $self->join_query_parts(' ',
+        $self->join_query_parts(' ',
             $self->_render_alias($alias),
             $self->format_keyword('as'),
             $query,
-        ) ]
+        )
       } @{$with->{queries}}
-    ) ];
+    );
     return $self->join_query_parts(' ',
       $self->format_keyword(join '_', 'with', ($with->{type}||'')),
       $q_part,
@@ -167,6 +178,7 @@ sub _expand_select_clause_from {
 sub _expand_from_list {
   my ($self, undef, $args) = @_;
   if (ref($args) eq 'HASH') {
+    return $args if $args->{-from_list};
     return { -from_list => [ $self->expand_expr($args) ] };
   }
   my @list;
@@ -259,12 +271,12 @@ sub _render_alias {
   return (@cols
     ? $self->join_query_parts('',
          $as,
-         [ '(' ],
-         [ $self->join_query_parts(
-             ', ',
-             @cols
-         ) ],
-         [ ')' ],
+         '(',
+         $self->join_query_parts(
+           ', ',
+           @cols
+         ),
+         ')',
       )
     : $self->render_aqt($as)
   );