1 files changed, 5 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
index deb24fd393..ce3417ad94 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
@@ -69,6 +69,7 @@ module ActiveRecord
         @visitor = nil
         @schema_cache = SchemaCache.new self
         @in_use = false
+        @last_use = false
       end
 
       def lease
@@ -80,6 +81,10 @@ module ActiveRecord
         end
       end
 
+      def expire
+        @in_use = false
+      end
+
       # Returns the human-readable name of the adapter. Use mixed case - one
       # can always use downcase if needed.
       def adapter_name