1 files changed, 5 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/column.rb b/activerecord/lib/active_record/connection_adapters/column.rb
index fa5ed07b8a..a67127bd71 100644
--- a/activerecord/lib/active_record/connection_adapters/column.rb
+++ b/activerecord/lib/active_record/connection_adapters/column.rb
@@ -31,7 +31,11 @@ module ActiveRecord
       end
 
       def has_default?
-        !default.nil?
+        !default.nil? || default_function
+      end
+
+      def bigint?
+        /bigint/ === sql_type
       end
 
       # Returns the human name of the column name.