1 files changed, 4 insertions, 0 deletions
diff --git a/lib/arel/select_manager.rb b/lib/arel/select_manager.rb
index c62101077a..0f70a461a3 100644
--- a/lib/arel/select_manager.rb
+++ b/lib/arel/select_manager.rb
@@ -50,6 +50,10 @@ module Arel
     end
 
     def from table
+      if String === table
+        return self if @ctx.froms.any? { |x| x.name.to_s == table }
+      end
+
       @ctx.froms << table
       self
     end