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updating documentation for method configure_dependency_for_has_many

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This commit is contained in:
Neeraj Singh 2010-08-06 15:24:38 -04:00
parent 62bb83d0a2
commit 74dde5951a
1 changed files with 5 additions and 8 deletions
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13
activerecord/lib/active_record/associations.rb
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@ -1593,15 +1593,12 @@ def add_touch_callbacks(reflection, touch_attribute)
# Creates before_destroy callback methods that nullify, delete or destroy
# has_many associated objects, according to the defined :dependent rule.
# If the association is marked as :dependent => :restrict, create a callback
# that prevents deleting entirely.
#
# See HasManyAssociation#delete_records. Dependent associations
# delete children, otherwise foreign key is set to NULL.
# See HasManyAssociation#delete_records. Dependent associations
# delete children if the option is set to :destroy or :delete_all, set the
# foreign key to NULL if the option is set to :nullify, and do not touch the
# child records if the option is set to :restrict.
# See HasManyAssociation#delete_records for more information. In general
# - delete children if the option is set to :destroy or :delete_all
# - set the foreign key to NULL if the option is set to :nullify
# - do not delete the parent record if there is any child record if the
# option is set to :restrict
#
# The +extra_conditions+ parameter, which is not used within the main
# Active Record codebase, is meant to allow plugins to define extra