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-rw-r--r--activerecord/lib/arel/window_predications.rb9
1 files changed, 9 insertions, 0 deletions
diff --git a/activerecord/lib/arel/window_predications.rb b/activerecord/lib/arel/window_predications.rb
new file mode 100644
index 0000000000..3a8ee41f8a
--- /dev/null
+++ b/activerecord/lib/arel/window_predications.rb
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+module Arel # :nodoc: all
+ module WindowPredications
+ def over(expr = nil)
+ Nodes::Over.new(self, expr)
+ end
+ end
+end