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-rw-r--r--lib/arel/expression.rb4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/arel/expression.rb b/lib/arel/expression.rb
new file mode 100644
index 0000000000..eb2c21bfd3
--- /dev/null
+++ b/lib/arel/expression.rb
@@ -0,0 +1,4 @@
+module Arel
+ module Expression
+ end
+end