From 2ff73039bdb6880af5586d8e4d6960b34cdf00ce Mon Sep 17 00:00:00 2001
From: Pratik Naik <pratiknaik@gmail.com>
Date: Wed, 21 Apr 2010 02:43:36 +0100
Subject: Build PredicateBuilder object only when needed

---
 activerecord/lib/active_record/relation/query_methods.rb | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

(limited to 'activerecord')

diff --git a/activerecord/lib/active_record/relation/query_methods.rb b/activerecord/lib/active_record/relation/query_methods.rb
index 09332418d5..58af930446 100644
--- a/activerecord/lib/active_record/relation/query_methods.rb
+++ b/activerecord/lib/active_record/relation/query_methods.rb
@@ -187,15 +187,13 @@ module ActiveRecord
     def build_where(*args)
       return if args.blank?
 
-      builder = PredicateBuilder.new(table.engine)
-
       opts = args.first
       case opts
       when String, Array
         @klass.send(:sanitize_sql, args.size > 1 ? args : opts)
       when Hash
         attributes = @klass.send(:expand_hash_conditions_for_aggregates, opts)
-        builder.build_from_hash(attributes, table)
+        PredicateBuilder.new(table.engine).build_from_hash(attributes, table)
       else
         opts
       end
-- 
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