Re: [PATCH 03/14] Add simple xlogdump tool

On 2012-11-21 14:57:14 -0800, Jeff Janes wrote:
> On Thu, Nov 15, 2012 at 9:13 AM, Andres Freund <andres@2ndquadrant.com> wrote:
> > On 2012-11-15 09:06:23 -0800, Jeff Janes wrote:
> >> On Wed, Nov 14, 2012 at 5:17 PM, Andres Freund <andres@2ndquadrant.com> wrote:
> >> > ---
> >> >  src/bin/Makefile            |   2 +-
> >> >  src/bin/xlogdump/Makefile   |  25 +++
> >> >  src/bin/xlogdump/xlogdump.c | 468 ++++++++++++++++++++++++++++++++++++++++++++
> >> >  3 files changed, 494 insertions(+), 1 deletion(-)
> >> >  create mode 100644 src/bin/xlogdump/Makefile
> >> >  create mode 100644 src/bin/xlogdump/xlogdump.c
> >>
> >> Is this intended to be the successor of
> >> https://github.com/snaga/xlogdump which will then be deprecated?
> >
> > As-is this is just a development tool which was sorely needed for the
> > development of this patchset. But yes I think that once ready
> > (xlogreader infrastructure, *_desc routines splitted) it should
> > definitely be able to do most of what the above xlogdump can do and it
> > should live in bin/. I think mostly some filtering is missing.
> >
> > That doesn't really "deprecate" the above though.
> >
> > Does that answer your question?
> 
> Yes, I think so.  Thanks.
> 
> (I've just recently gotten the original xlogdump to work for me in
> 9.2, and I had been wonder if back-porting yours to 9.2 would have
> been an easier way to go.)

I don't think you would have much fun doing so - the WAL format changes
between 9.2 and 9.3 make this larger than one might think. I had a
version that worked with the previous format but there have been some
interface changes since then...

Greetings,

Andres Freund

-- Andres Freund                       http://www.2ndQuadrant.com/PostgreSQL Development, 24x7 Support, Training &
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