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-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract_adapter.rb5
1 files changed, 4 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
index b589cfee09..cc494a7f40 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
@@ -14,7 +14,10 @@ module ActiveRecord
module ConnectionAdapters # :nodoc:
extend ActiveSupport::Autoload
- autoload :Column
+ autoload_at 'active_record/connection_adapters/column' do
+ autoload :Column
+ autoload :NullColumn
+ end
autoload :ConnectionSpecification
autoload_at 'active_record/connection_adapters/abstract/schema_definitions' do