diff options
Diffstat (limited to 'lib/arel/algebra/relations/utilities/nil.rb')
-rw-r--r-- | lib/arel/algebra/relations/utilities/nil.rb | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/arel/algebra/relations/utilities/nil.rb b/lib/arel/algebra/relations/utilities/nil.rb new file mode 100644 index 0000000000..6a9d678c45 --- /dev/null +++ b/lib/arel/algebra/relations/utilities/nil.rb @@ -0,0 +1,7 @@ +require 'singleton' + +module Arel + class Nil < Relation + include Singleton + end +end |