method
cached_find_by
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cached_find_by(keys, values)
private
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# File activerecord/lib/active_record/core.rb, line 418 def cached_find_by(keys, values) statement = cached_find_by_statement(keys) { |params| wheres = keys.index_with do |key| if key.is_a?(Array) [key.map { params.bind }] else params.bind end end where(wheres).limit(1) } begin statement.execute(values.flatten, connection).first rescue TypeError raise ActiveRecord::StatementInvalid end end