Must support aliases for OVER operator.

1 files changed, 9 insertions, 0 deletions

diff --git a/test/nodes/test_over.rb b/test/nodes/test_over.rb
index fcc5078e7b..0bdd665e56 100644
--- a/test/nodes/test_over.rb
+++ b/test/nodes/test_over.rb
@@ -1,6 +1,15 @@
 require 'helper'
 
 describe Arel::Nodes::Over do
+  describe 'as' do
+    it 'should alias the expression' do
+      table = Arel::Table.new :users
+      table[:id].count.over.as('foo').to_sql.must_be_like %{
+        COUNT("users"."id") OVER () AS foo
+      }
+    end
+  end
+
   describe 'with literal' do
     it 'should reference the window definition by name' do
       table = Arel::Table.new :users