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-rw-r--r--lib/arel.rb1
-rw-r--r--lib/arel/expression.rb4
2 files changed, 5 insertions, 0 deletions
diff --git a/lib/arel.rb b/lib/arel.rb
index a861a01a1c..c4e377b5bc 100644
--- a/lib/arel.rb
+++ b/lib/arel.rb
@@ -18,6 +18,7 @@ require 'arel/nodes'
#### these are deprecated
require 'arel/sql/engine'
require 'arel/sql_literal'
+require 'arel/expression'
####
require 'arel/visitors/to_sql'
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