铁路2.2.2 did发现_in_batches(或发现_each)。
是否有可提供这种服务的金?? 我找不到。
You can use paginated_each from will_paginate to achieve this. It can be used as a gem or a plugin.
例如:
MyClass.paginated_each(:per_page => 100) do |obj|
end
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