Rails manual association preloading
# taken from https://mrbrdo.wordpress.com/2013/09/25/manually-preloading-associations-in-rails-using-custom-scopessql/ | |
# collection association e.g. has_many | |
owners = People.all | |
association_name = :photos | |
owners.each do |owner| | |
records = Array(whatever_you_want) | |
association = owner.association(association_name) | |
association.loaded! | |
association.target.concat(records) | |
records.each { |record| association.set_inverse_instance(record) } | |
end | |
# singular association e.g. has_one | |
owners = People.all | |
association_name = :photos | |
owners.each do |owner| | |
record = whatever_you_want | |
association = owner.association(association_name) | |
association.target = record | |
association.set_inverse_instance(record) | |
end |
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what is
what_ever_you_want
referring to?