Re: [PATCH 02/14] Add support for a generic wal reading facility dubbed XLogReader

Heikki Linnakangas wrote:
> On 15.11.2012 03:17, Andres Freund wrote:
> >
> >Features:
> >- streaming reading/writing
> >- filtering
> >- reassembly of records
> >
> >Reusing the ReadRecord infrastructure in situations where the code that wants
> >to do so is not tightly integrated into xlog.c is rather hard and would require
> >changes to rather integral parts of the recovery code which doesn't seem to be
> >a good idea.
> >
> >Missing:
> >- "compressing" the stream when removing uninteresting records
> >- writing out correct CRCs
> >- separating reader/writer
>
> I'm disappointed to see that there has been no progress on this
> patch since last commitfest. I thought we agreed on the approach I
> championed for here:
> http://archives.postgresql.org/pgsql-hackers/2012-09/msg00636.php.
> There wasn't much work left to finish that, I believe.
>
> Are you going to continue working on this?

I worked a bit more on that patch of yours, but I neglected to submit
it.  Did you have something in particular that you wanted changed in it?

--
Álvaro Herrera                http://www.2ndQuadrant.com/
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