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-rw-r--r--lib/arel/relations/nil.rb12
1 files changed, 12 insertions, 0 deletions
diff --git a/lib/arel/relations/nil.rb b/lib/arel/relations/nil.rb
new file mode 100644
index 0000000000..3c1d413953
--- /dev/null
+++ b/lib/arel/relations/nil.rb
@@ -0,0 +1,12 @@
+module Arel
+ class Nil < Relation
+ def table_sql; '' end
+
+ def to_s; '' end
+
+ def ==(other)
+ self.class == other.class
+ end
+ end
+
+end \ No newline at end of file