1 files changed, 5 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_dumper.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_dumper.rb
index 2209874d0a..e5dc7d9b06 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_dumper.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_dumper.rb
@@ -14,7 +14,7 @@ module ActiveRecord
       end
 
       def column_spec_for_primary_key(column)
-        return if column.type == :integer
+        return {} if default_primary_key?(column)
         spec = { id: schema_type(column).inspect }
         spec.merge!(prepare_column_options(column))
       end
@@ -56,6 +56,10 @@ module ActiveRecord
 
       private
 
+      def default_primary_key?(column)
+        schema_type(column) == :integer
+      end
+
       def schema_type(column)
         column.type
       end