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Re: [PATCH in progress] Ref-counting for pristine texts

From: Julian Foad <julian.foad_at_wandisco.com>
Date: Tue, 11 Jan 2011 11:11:42 +0000

On Sat, 2011-01-08, Hyrum K Wright wrote:
> On Fri, Jan 7, 2011 at 10:06 AM, Julian Foad <julian.foad_at_wandisco.com> wrote:
> > On Fri, 2011-01-07 at 15:19 +0000, Philip Martin wrote:
> >> Julian Foad <julian.foad_at_wandisco.com> writes:
> >>
> >> > The only case that SQLite doesn't handle automatically is the
> >> > replacement part of "INSERT OR REPLACE INTO ...": it doesn't fire the
> >> > "delete" trigger in that case.
> >>
> >> http://www.sqlite.org/lang_conflict.html
> >>
> >> suggests that you need to enable recursive triggers.
> >
> > Thanks - I missed that. That gets me past all the test failures except
> > for upgrade tests, which is great for progress.

Actually it gets me through all the tests, and is working well.

I have tried some timing comparisons and can't even see a difference.

> However it would mean
> > requiring SQLite >= 3.6.18 which is fairly new (16 months old) so we'd
> > have to work out the practicalities of that.
>
> No need to sort it out: just require it. Subversion can easily be
> built with an arbitrary SQLite version, independent of whatever
> happens to be installed on the system. Of course, if somebody has the
> correct version of the SQLite libraries, Subversion can use those,
> too.
>
> If we need a feature of a newer SQLite, just bump the required version, says I.

OK, I'd like to do this, so I'll RFC in a new thread.

- Julian
Received on 2011-01-11 12:12:27 CET

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