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Re: svn commit: r21745 - branches/fs-atomic-renames/notes

From: Karl Fogel <kfogel_at_google.com>
Date: 2006-10-04 00:45:46 CEST

"Garrett Rooney" <rooneg@electricjellyfish.net> writes:
> On 10/3/06, Karl Fogel <kfogel@google.com> wrote:
>> "Garrett Rooney" <rooneg@electricjellyfish.net> writes:
>> > That's assuming that those are intended to be sequential, I was
>> > assuming that they were intended to be simultaneous (i.e. swap the
>> > locations of A/B and X/Y), which we can't actually do at this point.
>>
>> Oh! Good point. Although if you put the classic tmp var in the
>> middle, would it work?
>>
>> mv A/B TMP
>> mv X/Y A/B
>> mv TMP X/Y
>>
>> If that all happens in one txn, would there be any record of TMP ever
>> existing? Would X/Y's history simply say it came from "A/B"@PREV_REV ?
>
> I don't think you can rename something that's already been renamed, at
> least not in the current implementation.

Oh, you can't (I've tried before). I meant "would" in the hopeful
sense...

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Received on Wed Oct 4 00:46:09 2006

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