Better inspect output for Expressions

2 files changed, 10 insertions, 0 deletions

diff --git a/lib/arel/algebra/primitives/expression.rb b/lib/arel/algebra/primitives/expression.rb
index 5566e2d0b7..875498c282 100644
--- a/lib/arel/algebra/primitives/expression.rb
+++ b/lib/arel/algebra/primitives/expression.rb
@@ -13,6 +13,10 @@ module Arel
       true
     end
 
+    def inspect
+      "<#{self.class.name} #{attribute.inspect}>"
+    end
+
     module Transformations
       def as(aliaz)
         self.class.new(attribute, aliaz, self)
diff --git a/spec/arel/algebra/unit/primitives/expression_spec.rb b/spec/arel/algebra/unit/primitives/expression_spec.rb
index 82d12d53f9..768bb492a7 100644
--- a/spec/arel/algebra/unit/primitives/expression_spec.rb
+++ b/spec/arel/algebra/unit/primitives/expression_spec.rb
@@ -7,6 +7,12 @@ module Arel
       @attribute = @relation[:id]
     end
 
+    describe "#inspect" do
+      it "returns a simple, short inspect string" do
+        @attribute.count.inspect.should == "<Arel::Count <Attribute id>>"
+      end
+    end
+
     describe Expression::Transformations do
       before do
         @expression = Count.new(@attribute)