Stefan.Fuhrmann_at_etas.com wrote:
> Stefan Kueng <tortoisesvn_at_gmail.com> wrote:
> 
>> Seems the log cache can't handle date revisions?
> 
> That is correct.
> 
>> With the next nightly build (> 15028):
>> * show log on the TSVN working copy
>> * click arrow of "Show All" button, select "revision range"
>> * enter {2008-01-01} and {2009-01-01} in the from/to fields
>> * click OK.
>>
>> I remember that the log cache isn't designed to handle date revisions,
>> but could you maybe implement a workaround so that if date revisions are
>> specified that the cache is not used?
> 
> I think the log cache can be taught to interpret
> date revisions. Here is the plan:
> 
> * CLogCacheQuery translates date revisions to 
>   actual revision numbers (just like it would
>   for HEAD, peg/path etc.) and runs the actual
>   query after that.
> 
> * Date revisions can be translated as follows:
>   - find the latest revision before the date.
>     Start at revision 0 and increment until found.
>     I guess that is what SVN still does even
>     if the history is non-contiguous?
>     Alternatively, find the closed match.
>   - check whether the revision found equals HEAD
>     or whether the next revision is in cache.
>     -> translation successful, otherwise failed
>   - if the translation failed, ask the server
>     to translate the date revision
>   - when in off-line mode, proceed with whatever
>     revision has been found
> 
> For non-contiguous history, e.g. after merging
> repositories, (some) date revisions are ambiguous. 
> In that case, the log cache might return different
> results as a native query.
> 
> I should be able to implement that this weekend.
Great!
A few things more (sorry):
* svn_client_log4 is now deprecated. But there's not much of a change to
svn_client_log5 - you could just implement a wrapper around it
* since you reorganized the lib projects, some files in the solution
explorer are not correct anymore (header files listed there don't exist
anymore)
* the lib projects have _CONSOLE defined - I don't think that's necessary
Stefan
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Received on 2009-01-09 21:05:27 CET