diff options
| -rw-r--r-- | activerecord/lib/active_record/relation/delegation.rb | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/activerecord/lib/active_record/relation/delegation.rb b/activerecord/lib/active_record/relation/delegation.rb index ab8b36c8ab..dbfa92bbbd 100644 --- a/activerecord/lib/active_record/relation/delegation.rb +++ b/activerecord/lib/active_record/relation/delegation.rb @@ -1,3 +1,4 @@ +require 'thread' module ActiveRecord module Delegation # :nodoc: @@ -6,6 +7,8 @@ module ActiveRecord delegate :table_name, :quoted_table_name, :primary_key, :quoted_primary_key, :connection, :columns_hash, :auto_explain_threshold_in_seconds, :to => :klass + @@delegation_mutex = Mutex.new + def self.delegate_to_scoped_klass(method) if method.to_s =~ /\A[a-zA-Z_]\w*[!?]?\z/ module_eval <<-RUBY, __FILE__, __LINE__ + 1 @@ -32,13 +35,28 @@ module ActiveRecord def method_missing(method, *args, &block) if @klass.respond_to?(method) - ::ActiveRecord::Delegation.delegate_to_scoped_klass(method) + @@delegation_mutex.synchronize do + unless ::ActiveRecord::Delegation.method_defined?(method) + ::ActiveRecord::Delegation.delegate_to_scoped_klass(method) + end + end + scoping { @klass.send(method, *args, &block) } elsif Array.method_defined?(method) - ::ActiveRecord::Delegation.delegate method, :to => :to_a + @@delegation_mutex.synchronize do + unless ::ActiveRecord::Delegation.method_defined?(method) + ::ActiveRecord::Delegation.delegate method, :to => :to_a + end + end + to_a.send(method, *args, &block) elsif arel.respond_to?(method) - ::ActiveRecord::Delegation.delegate method, :to => :arel + @@delegation_mutex.synchronize do + unless ::ActiveRecord::Delegation.method_defined?(method) + ::ActiveRecord::Delegation.delegate method, :to => :arel + end + end + arel.send(method, *args, &block) else super |