lib/ar/enum/adapter.rb in ar-enum-0.2.2 vs lib/ar/enum/adapter.rb in ar-enum-0.2.3

@@ -28,19 +28,25 @@
             typname
         SQL
       end
 
       def create_enum(name, values)
+        return if enum_exists?(name)
+
         values = values.map do |value|
           quote(value.to_s)
         end
 
         sql = <<-SQL
           CREATE TYPE #{name}
           AS ENUM (#{values.join(', ')})
         SQL
 
         execute(sql)
+      end
+
+      def enum_exists?(name)
+        enum_types.any? {|type| type["name"] == name.to_s }
       end
 
       def add_enum_label(name, value, options = {})
         sql = "ALTER TYPE #{name} ADD VALUE #{quote(value.to_s)}"