From 1ce894870c82a2d856745f86f6e11a0ef6c72cc1 Mon Sep 17 00:00:00 2001
From: Don Morrison <don@elskwid.net>
Date: Sun, 26 Feb 2017 23:19:06 -0800
Subject: [PATCH] Update `Relation` to subclass `Memory::Relation`

Recent changes to `ROM::Memory::Relation` made it possible to use it as
the superclass for adapter relations. This adds schema support among
other things.
---
 lib/rom/csv/relation.rb          | 6 ++----
 spec/integration/gateway_spec.rb | 6 ++++++
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/lib/rom/csv/relation.rb b/lib/rom/csv/relation.rb
index 8871e86..d02cd6d 100644
--- a/lib/rom/csv/relation.rb
+++ b/lib/rom/csv/relation.rb
@@ -1,4 +1,4 @@
-require 'rom/relation'
+require 'rom/memory'
 
 module ROM
   module CSV
@@ -9,11 +9,9 @@ module CSV
     #   end
     #
     # @api public
-    class Relation < ROM::Relation
+    class Relation < ROM::Memory::Relation
       adapter :csv
 
-      forward :join, :project, :restrict, :order
-
       def count
         dataset.count
       end
diff --git a/spec/integration/gateway_spec.rb b/spec/integration/gateway_spec.rb
index e4a80ba..8b2e87f 100644
--- a/spec/integration/gateway_spec.rb
+++ b/spec/integration/gateway_spec.rb
@@ -9,6 +9,12 @@
       configuration.relation(:users) do
         gateway :users
 
+        schema(:users) do
+          attribute :user_id, Types::Strict::Int
+          attribute :name, Types::Strict::String
+          attribute :email, Types::Strict::String
+        end
+
         def by_name(name)
           restrict(name: name)
         end