reducing use of custom joins

2026-04-26 03:00:59 -04:00 · 2010-12-08 10:29:52 -08:00
parent 1d96d44da3
commit 2fd385d471
1 changed files with 6 additions and 1 deletions
--- a/activerecord/lib/active_record/relation/query_methods.rb
+++ b/activerecord/lib/active_record/relation/query_methods.rb
@@ -296,7 +296,12 @@ module ActiveRecord
      if Arel::Table === relation
        relation.from(ast || relation)
      else
-        relation.join(custom_joins)
+        if relation.froms.length > 0 && ast
+          ast.left = relation.froms.first
+          relation.from ast
+        else
+          relation.join(custom_joins)
+        end
      end
    end