[plugin] dirstate experiments

[John Arbash Meinel]

Robert Collins wrote:
> On Wed, 2006-06-14 at 01:38 -0500, John Arbash Meinel wrote:
>> After reading Robert's discussion of possible dirstate requirements, I
>> went ahead and implemented it in a few possible formats.
> 
> Nice  -  I'm *really* glad I did a writeup :). I shall be
> peeking/borrowing from your code I suspect - though I'm planning to
> start from the new tree format and work in from there - I may end up
> with a different feel to things.
> 
> Whats flat vs blob ?
> 
> Rob

Flat is newline terminated objects, with null terminated fields.
Blob uses struct to create entries with packed header information, and
then includes the length of the strings. I can think of a few variations
on this theme to try and get the sizes down a bit.

The biggest thing with the 'sql' isn't shown with these tests. And that
is the ability to insert/remove an entry, without having to write out
all the other fields. That requires more test commands, though.

John
=:->


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