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-rw-r--r--lib/arel/relations/utilities/nil.rb10
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/arel/relations/utilities/nil.rb b/lib/arel/relations/utilities/nil.rb
new file mode 100644
index 0000000000..2dcfb47233
--- /dev/null
+++ b/lib/arel/relations/utilities/nil.rb
@@ -0,0 +1,10 @@
+module Arel
+ class Nil < Relation
+ def table_sql(formatter = nil); '' end
+ def name; '' end
+
+ def ==(other)
+ Nil === other
+ end
+ end
+end \ No newline at end of file