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Changes between Initial Version and Version 1 of Ticket #10313, comment 32

initial	v1
2	2	> Remy's idea is to move all attachements to the new scheme, below a new toplevel folder (be it `$ENV/attachments2` or `$ENV/files/attachments`), then remove `$ENV/attachments` and use the absence of that folder as an indicator that the upgrade was performed.
3	3
4		Ah. So there is agreement on keeping concurrent support for old and new schemes? If so, another simple option is to use the `system` table in the database like most other plugins do: `attachment_version \| 2`
	4	Ah. So there is agreement on keeping concurrent support for old and new schemes? If so, another simple option is to use the `system` table in the database like most other plugins do: `attachments_version \| 2`
5	5
6	6	> Please re-read Remy's comment:26. We're not talking about Alias or similar, but about X-Sendfile, which is specifically designed to let the application logic handle all the steps of a request from permission checks, up to selecting the actual location of the file, except sending the file itself.