lib/rom/sql/extensions/postgres/commands.rb in rom-sql-1.0.0.beta2 vs lib/rom/sql/extensions/postgres/commands.rb in rom-sql-1.0.0.beta3

@@ -10,10 +10,10 @@
           #
           # @api private
           def insert(tuples)
             tuples.map do |tuple|
               relation.dataset.returning(*relation.columns).insert(tuple)
-            end.flatten
+            end.flatten(1)
           end
 
           # Executes multi_insert statement and returns inserted tuples
           #
           # @api private