PERF: *args is slow. also removing a non-feature

2 files changed, 11 insertions, 3 deletions

diff --git a/lib/arel/algebra/relations/relation.rb b/lib/arel/algebra/relations/relation.rb
index 1d395777c1..9936b9689f 100644
--- a/lib/arel/algebra/relations/relation.rb
+++ b/lib/arel/algebra/relations/relation.rb
@@ -123,7 +123,7 @@ module Arel
       end
 
       %w{
-        where project order take skip group from having
+        where project order skip group having
       }.each do |operation_name|
         class_eval <<-OPERATION, __FILE__, __LINE__
           def #{operation_name}(*arguments)
@@ -133,6 +133,14 @@ module Arel
         OPERATION
       end
 
+      def take thing
+        Take.new self, thing
+      end
+
+      def from thing
+        From.new self, thing
+      end
+
       def lock(locking = nil)
         Lock.new(self, locking)
       end
diff --git a/spec/algebra/unit/relations/relation_spec.rb b/spec/algebra/unit/relations/relation_spec.rb
index be77c64b17..4e25de73d1 100644
--- a/spec/algebra/unit/relations/relation_spec.rb
+++ b/spec/algebra/unit/relations/relation_spec.rb
@@ -115,8 +115,8 @@ module Arel
         end
 
         describe 'when given a blank number of items' do
-          it 'returns self' do
-            @relation.take.should == @relation
+          it 'raises error' do
+            lambda { @relation.take }.should raise_exception
           end
         end
       end