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-rw-r--r--lib/arel/visitors/depth_first.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/arel/visitors/depth_first.rb b/lib/arel/visitors/depth_first.rb
index 2f71455580..fb21fb1e70 100644
--- a/lib/arel/visitors/depth_first.rb
+++ b/lib/arel/visitors/depth_first.rb
@@ -72,6 +72,7 @@ module Arel
alias :visit_Arel_Nodes_As :binary
alias :visit_Arel_Nodes_Assignment :binary
alias :visit_Arel_Nodes_Between :binary
+ alias :visit_Arel_Nodes_Concat :binary
alias :visit_Arel_Nodes_DeleteStatement :binary
alias :visit_Arel_Nodes_DoesNotMatch :binary
alias :visit_Arel_Nodes_Equality :binary