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author | Emilio Tagua <miloops@gmail.com> | 2009-08-10 18:07:33 -0300 |
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committer | Emilio Tagua <miloops@gmail.com> | 2009-08-10 18:07:33 -0300 |
commit | 0e2fbd80e2420329738b891240d44a056cea1de4 (patch) | |
tree | 5b16755670be58e168b5e86e2cdcb43ee5aa3918 /activerecord/lib/active_record/associations/has_and_belongs_to_many_association.rb | |
parent | eb3ae44ccaff1dc63eb31bf86d8db07c88ddc413 (diff) | |
parent | 600a89f2082beadf4af9fe140a1a2ae56386cd49 (diff) | |
download | rails-0e2fbd80e2420329738b891240d44a056cea1de4.tar.gz rails-0e2fbd80e2420329738b891240d44a056cea1de4.tar.bz2 rails-0e2fbd80e2420329738b891240d44a056cea1de4.zip |
Merge commit 'rails/master'
Conflicts:
activerecord/lib/active_record/calculations.rb
activerecord/lib/active_record/connection_adapters/mysql_adapter.rb
activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
Diffstat (limited to 'activerecord/lib/active_record/associations/has_and_belongs_to_many_association.rb')
-rw-r--r-- | activerecord/lib/active_record/associations/has_and_belongs_to_many_association.rb | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/associations/has_and_belongs_to_many_association.rb b/activerecord/lib/active_record/associations/has_and_belongs_to_many_association.rb index fd23e59e82..d91c555dad 100644 --- a/activerecord/lib/active_record/associations/has_and_belongs_to_many_association.rb +++ b/activerecord/lib/active_record/associations/has_and_belongs_to_many_association.rb @@ -1,6 +1,11 @@ module ActiveRecord module Associations class HasAndBelongsToManyAssociation < AssociationCollection #:nodoc: + def initialize(owner, reflection) + super + @primary_key_list = {} + end + def create(attributes = {}) create_record(attributes) { |record| insert_record(record) } end @@ -17,6 +22,12 @@ module ActiveRecord @reflection.reset_column_information end + def has_primary_key? + return @has_primary_key unless @has_primary_key.nil? + @has_primary_key = (ActiveRecord::Base.connection.supports_primary_key? && + ActiveRecord::Base.connection.primary_key(@reflection.options[:join_table])) + end + protected def construct_find_options!(options) options[:joins] = @join_sql @@ -29,6 +40,11 @@ module ActiveRecord end def insert_record(record, force = true, validate = true) + if has_primary_key? + raise ActiveRecord::ConfigurationError, + "Primary key is not allowed in a has_and_belongs_to_many join table (#{@reflection.options[:join_table]})." + end + if record.new_record? if force record.save! |