`ActiveRecord::Store` works together with PG `hstore` columns.

This is necessary because as of 5ac2341 `hstore` columns are always stored
as `Hash` with `String` keys. `ActiveRecord::Store` expected the attribute to
be an instance of `HashWithIndifferentAccess`, which led to the bug.

1 files changed, 8 insertions, 0 deletions

diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/oid.rb b/activerecord/lib/active_record/connection_adapters/postgresql/oid.rb
index dab876af14..4babee07b4 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/oid.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/oid.rb
@@ -234,6 +234,10 @@ module ActiveRecord
 
             ConnectionAdapters::PostgreSQLColumn.string_to_hstore value
           end
+
+          def accessor
+            ActiveRecord::Store::StringKeyedHashAccessor
+          end
         end
 
         class Cidr < Type
@@ -250,6 +254,10 @@ module ActiveRecord
 
             ConnectionAdapters::PostgreSQLColumn.string_to_json value
           end
+
+          def accessor
+            ActiveRecord::Store::StringKeyedHashAccessor
+          end
         end
 
         class TypeMap