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clarify the touch true option does not trigger after_save/update [ci skip]

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I've gotten tripped up more than a few times on this, thinking that
using `belongs_to` with `touch: true` would trigger my after_save or
after_update callbacks. The same text is in the documentation for the
touch method itself, but I think its helpful to repeat it again here.
It might save people some time.
This commit is contained in:
Tony Miller 2016-02-01 06:29:00 +09:00
parent 960de47f0e
commit 8d25a8aa8c
1 changed files with 2 additions and 0 deletions
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activerecord/lib/active_record/associations.rb
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@ -1591,6 +1591,8 @@ module ActiveRecord
# If true, the associated object will be touched (the updated_at/on attributes set to current time) # If true, the associated object will be touched (the updated_at/on attributes set to current time)
# when this record is either saved or destroyed. If you specify a symbol, that attribute # when this record is either saved or destroyed. If you specify a symbol, that attribute
# will be updated with the current time in addition to the updated_at/on attribute. # will be updated with the current time in addition to the updated_at/on attribute.
# Please note that with touching no validation is performed and only the +after_touch+,
# +after_commit+ and +after_rollback+ callbacks are executed.
# [:inverse_of] # [:inverse_of]
# Specifies the name of the #has_one or #has_many association on the associated # Specifies the name of the #has_one or #has_many association on the associated
# object that is the inverse of this #belongs_to association. Does not work in # object that is the inverse of this #belongs_to association. Does not work in