Make sure quoting works

diff --git a/lib/DBIx/Class/SQLAHacks.pm b/lib/DBIx/Class/SQLAHacks.pm
index ba89264..7ff05d6 100644 (file)
--- a/lib/DBIx/Class/SQLAHacks.pm
+++ b/lib/DBIx/Class/SQLAHacks.pm
@@ -210,8 +210,12 @@ sub _Top {
 
   $order = { %$order }; #copy
 
-  my $req_order = [ $self->_order_by_chunks ($order->{order_by}) ];
-  my $limit_order = [ @$req_order ? @$req_order : $self->_order_by_chunks ($order->{_virtual_order_by}) ];
+  my $req_order = $order->{order_by};
+  my $limit_order =
+    scalar $self->_order_by_chunks ($req_order) # exaime normalized version, collapses nesting
+      ? $req_order
+      : $order->{_virtual_order_by}
+  ;
 
   my ( $order_by_inner, $order_by_outer ) = $self->_order_directions($limit_order);
   my $order_by_requested = $self->_order_by ($req_order);
@@ -225,7 +229,6 @@ sub _Top {
     return "SELECT TOP $rows $inner_select $sql $grpby_having $order_by_outer";
   }
 
-
   # we can't really adjust the order_by columns, as introspection is lacking
   # resort to simple substitution
   for my $col (keys %outer_col_aliases) {
@@ -237,6 +240,7 @@ sub _Top {
     $order_by_inner =~ s/\s+$col\s+/$col_aliases{$col}/g;
   }
 
+
   my $inner_lim = $rows + $offset;
 
   $sql = "SELECT TOP $inner_lim $inner_select $sql $grpby_having $order_by_inner";
@@ -247,7 +251,7 @@ sub _Top {
     SELECT TOP $rows $outer_select FROM
     (
       $sql
-    ) AS inner_sel
+    ) AS me
     $order_by_outer
 SQL
 
@@ -257,7 +261,7 @@ SQL
     $sql = <<"SQL";
 
     SELECT $outer_select FROM
-      ( $sql ) AS outer_sel
+      ( $sql ) AS me
     $order_by_requested;
 SQL
 

diff --git a/t/746mssql.t b/t/746mssql.t
index a958986..bae2e7c 100644 (file)
--- a/t/746mssql.t
+++ b/t/746mssql.t
@@ -134,9 +134,13 @@ $schema->populate ('BooksInLibrary', [
 ]);
 
 #
-# try a distinct + prefetch on tables with identically named columns
+# try a prefetch on tables with identically named columns
 #
 
+# set quote char - make sure things work while quoted
+$schema->storage->_sql_maker->{quote_char} = [qw/[ ]/];
+$schema->storage->_sql_maker->{name_sep} = '.';
+
 {
   # try a ->has_many direction (group_by is not possible on has_many with limit)
   my $owners = $schema->resultset ('Owners')->search ({
@@ -162,13 +166,13 @@ $schema->populate ('BooksInLibrary', [
       '(
         SELECT COUNT( * )
           FROM (
-            SELECT TOP 3 me.id
-              FROM owners me
-              LEFT JOIN books books ON books.owner = me.id
-            WHERE ( books.id IS NOT NULL )
-            GROUP BY me.id
-            ORDER BY me.id DESC
-          ) count_subq
+            SELECT TOP 3 [me].[id]
+              FROM [owners] [me]
+              LEFT JOIN [books] [books] ON [books].[owner] = [me].[id]
+            WHERE ( [books].[id] IS NOT NULL )
+            GROUP BY [me].[id]
+            ORDER BY [me].[id] DESC
+          ) [count_subq]
       )',
       [],
     );
@@ -200,13 +204,13 @@ $schema->populate ('BooksInLibrary', [
       '(
         SELECT COUNT( * )
           FROM (
-            SELECT TOP 2 me.id
-              FROM books me
-              JOIN owners owner ON owner.id = me.owner
-            WHERE ( ( ( owner.name = ? OR owner.name = ? ) AND source = ? ) )
-            GROUP BY me.id, me.source, me.owner, me.title, me.price, owner.id, owner.name
-            ORDER BY me.id DESC
-          ) count_subq
+            SELECT TOP 2 [me].[id]
+              FROM [books] [me]
+              JOIN [owners] [owner] ON [owner].[id] = [me].[owner]
+            WHERE ( ( ( [owner].[name] = ? OR [owner].[name] = ? ) AND [source] = ? ) )
+            GROUP BY [me].[id], [me].[source], [me].[owner], [me].[title], [me].[price], [owner].[id], [owner].[name]
+            ORDER BY [me].[id] DESC
+          ) [count_subq]
       )',
       [
         [ 'owner.name' => 'wiggle' ],