From: Peter Rabbitson <ribasushi@cpan.org>
Date: Thu, 13 Nov 2008 18:34:29 +0000 (+0000)
Subject: resultset attribute from can now take a scalarref and use it verbatim
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=0eb27426ceda801e6e872dc09eba34833fc0aaf0;p=dbsrgits%2FDBIx-Class-Historic.git

resultset attribute from can now take a scalarref and use it verbatim
---

diff --git a/Changes b/Changes
index 6b93887..8bd0118 100644
--- a/Changes
+++ b/Changes
@@ -1,4 +1,8 @@
 Revision history for DBIx::Class
+        - Allow a scalarref to be supplied to the 'from' resultset attribute
+        - Classes submitted as result_class for a resultsource are now
+          automatically loaded via ensure_loaded()
+        - 'result_class' resultset attribute, identical to result_class()
 
 0.08099_05 2008-10-30 21:30:00 (UTC)
         - Rewritte of Storage::DBI::connect_info(), extended with an
diff --git a/lib/DBIx/Class/Storage/DBI.pm b/lib/DBIx/Class/Storage/DBI.pm
index ea81980..b395932 100644
--- a/lib/DBIx/Class/Storage/DBI.pm
+++ b/lib/DBIx/Class/Storage/DBI.pm
@@ -86,7 +86,12 @@ sub _find_syntax {
 
 sub select {
   my ($self, $table, $fields, $where, $order, @rest) = @_;
-  $table = $self->_quote($table) unless ref($table);
+  if (ref $table eq 'SCALAR') {
+    $table = $$table;
+  }
+  elsif (not ref $table) {
+    $table = $self->_quote($table);
+  }
   local $self->{rownum_hack_count} = 1
     if (defined $rest[0] && $self->{limit_dialect} eq 'RowNum');
   @rest = (-1) unless defined $rest[0];
diff --git a/t/76select.t b/t/76select.t
index 213ecba..ca04b26 100644
--- a/t/76select.t
+++ b/t/76select.t
@@ -8,7 +8,7 @@ use DBICTest;
 
 my $schema = DBICTest->init_schema();
 
-plan tests => 7;
+plan tests => 11;
 
 my $rs = $schema->resultset('CD')->search({},
     {
@@ -42,3 +42,23 @@ $rs = $schema->resultset('CD')->search({},
 lives_ok(sub { $rs->first->get_column('count') }, '+select/+as chained search 1st rscolumn present');
 lives_ok(sub { $rs->first->get_column('addedtitle') }, '+select/+as chained search 1st rscolumn present');
 lives_ok(sub { $rs->first->get_column('addedtitle2') }, '+select/+as chained search 3rd rscolumn present');
+
+
+# test the from search attribute (gets between the FROM and WHERE keywords, allows arbitrary subselects)
+# also shows that outer select attributes are ok (i.e. order_by)
+#
+# from doesn't seem to be useful without using a scalarref - there were no initial tests >:(
+#
+$schema->storage->debug (1);
+my $cds = $schema->resultset ('CD')->search ({}, { order_by => 'me.cdid'}); # make sure order is consistent
+cmp_ok ($cds->count, '>', 2, 'Initially populated with more than 2 CDs');
+
+my $table = $cds->result_source->name;
+my $subsel = $cds->search ({}, {
+    columns => [qw/cdid title/],
+    from => \ "(SELECT cdid, title FROM $table LIMIT 2) me",
+});
+
+is ($subsel->count, 2, 'Subselect correctly limited the rs to 2 cds');
+is ($subsel->next->title, $cds->next->title, 'First CD title match');
+is ($subsel->next->title, $cds->next->title, 'Second CD title match');