Sha256: 45052171eeb79a0fd23ee9e2272dce2b3a5f63ab44f0bd49a5f4e1a84a33223a
Contents?: true
Size: 977 Bytes
Versions: 8
Compression:
Stored size: 977 Bytes
Contents
module ActiveRecord
module Associations
class Preloader
class CountLoader < SingularAssociation
def association_key_name
reflection.foreign_key
end
def owner_key_name
reflection.active_record_primary_key
end
private
def preload(preloader)
associated_records_by_owner(preloader).each do |owner, associated_records|
count = associated_records.count
association = owner.association(reflection.name)
association.target = count
end
end
def load_slices(slices)
@preloaded_records = slices.flat_map { |slice|
records_for(slice)
}
@preloaded_records.map { |record|
key = record
[record, key]
}
end
def query_scope(ids)
scope.where(association_key.in(ids)).pluck(association_key_name)
end
end
end
end
end
Version data entries
8 entries across 8 versions & 2 rubygems