1 files changed, 10 insertions, 4 deletions
diff --git a/activerecord/lib/active_record/relation/predicate_builder.rb b/activerecord/lib/active_record/relation/predicate_builder.rb
index b7609c97b5..08ef899f68 100644
--- a/activerecord/lib/active_record/relation/predicate_builder.rb
+++ b/activerecord/lib/active_record/relation/predicate_builder.rb
@@ -1,15 +1,21 @@
 module ActiveRecord
   class PredicateBuilder # :nodoc:
+    def self.resolve_column_aliases(klass, hash)
+      hash = hash.dup
+      hash.keys.grep(Symbol) do |key|
+        if klass.attribute_alias? key
+          hash[klass.attribute_alias(key)] = hash.delete key
+        end
+      end
+      hash
+    end
+
     def self.build_from_hash(klass, attributes, default_table)
       queries = []
 
       attributes.each do |column, value|
         table = default_table
 
-        if column.is_a?(Symbol) && klass.attribute_aliases.key?(column.to_s)
-          column = klass.attribute_aliases[column.to_s]
-        end
-
         if value.is_a?(Hash)
           if value.empty?
             queries << '1=0'