Monkey patch rails to ensure OSM::APITimeoutError exceptions are not lost.

config/initializers/abstract_adapter.rb

@@ -0,0 +1,24 @@
+module ActiveRecord
+  module ConnectionAdapters
+    class AbstractAdapter
+    protected
+      alias_method :old_log, :log
+
+      def log(sql, name)
+        if block_given?
+          old_log(sql, name) do
+            yield
+          end
+        else
+          old_log(sql, name)
+        end
+      rescue ActiveRecord::StatementInvalid => ex
+        if ex =~ /^OSM::APITimeoutError: /
+          raise OSM::APITimeoutError
+        else
+          raise
+        end
+      end
+    end
+  end
+end