From 1e6afa40209ca15aee811bb5797c175c0d8eaad4 Mon Sep 17 00:00:00 2001
From: Sean Griffin <sean@thoughtbot.com>
Date: Thu, 19 Mar 2015 11:50:36 -0600
Subject: Don't cast nil to string in pg enums

Fixes #19389.
---
 .../lib/active_record/connection_adapters/postgresql/oid/enum.rb      | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'activerecord/lib/active_record/connection_adapters')

diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/oid/enum.rb b/activerecord/lib/active_record/connection_adapters/postgresql/oid/enum.rb
index b3b610a5f6..91d339f32c 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/oid/enum.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/oid/enum.rb
@@ -7,7 +7,9 @@ module ActiveRecord
             :enum
           end
 
-          def cast(value)
+          private
+
+          def cast_value(value)
             value.to_s
           end
         end
-- 
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