method
belongs_to_counter_cache_before_destroy
v4.1.8 -
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Class: BelongsTo
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belongs_to_counter_cache_before_destroy(reflection)
private
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# File activerecord/lib/active_record/associations/builder/belongs_to.rb, line 40 def belongs_to_counter_cache_before_destroy(reflection) foreign_key = reflection.foreign_key.to_sym unless destroyed_by_association && destroyed_by_association.foreign_key.to_sym == foreign_key record = send reflection.name if record && !self.destroyed? cache_column = reflection.counter_cache_column record.class.decrement_counter(cache_column, record.id) end end end