1 files changed, 40 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/statement_pool.rb b/activerecord/lib/active_record/connection_adapters/statement_pool.rb
new file mode 100644
index 0000000000..c6b1bc8b5b
--- /dev/null
+++ b/activerecord/lib/active_record/connection_adapters/statement_pool.rb
@@ -0,0 +1,40 @@
+module ActiveRecord
+  module ConnectionAdapters
+    class StatementPool
+      include Enumerable
+
+      def initialize(connection, max = 1000)
+        @connection = connection
+        @max        = max
+      end
+
+      def each
+        raise NotImplementedError
+      end
+
+      def key?(key)
+        raise NotImplementedError
+      end
+
+      def [](key)
+        raise NotImplementedError
+      end
+
+      def length
+        raise NotImplementedError
+      end
+
+      def []=(sql, key)
+        raise NotImplementedError
+      end
+
+      def clear
+        raise NotImplementedError
+      end
+
+      def delete(key)
+        raise NotImplementedError
+      end
+    end
+  end
+end