Re: WAL files format

Is there any document describing WAL file format?

On Sun, Apr 20, 2008 at 7:20 PM, Jonah H. Harris <jonah(dot)harris(at)gmail(dot)com>
wrote:

> See xlogdump and xlogviewer.
>
> On Sun, Apr 20, 2008 at 7:44 AM, mito <milos(dot)orszag(at)gmail(dot)com> wrote:
> > Hi,
> >
> > iam developing version control system based on content because i havent
> > found anything for postgres and it sounds like great tool to have.
> Propably
> > i will use Rules and Views with shadow tables, but iam interested in
> > alternative to examine WAL files.
> >
> > So iam interested in WAL file format and information that can be
> extracted
> > from it. Is there any way to build some API above WAL file to be able to
> > analyze data changes in time caused by DML ? Iam aware of xlog.c but not
> of
> > its capabilities and features, its kind of hard for me to analyze that
> file.
> >
> > MS SQL create transaction logs and there are tools like ApexSQL Log
> that
> > can analyze logs a redo changes made by DML. So i thought it would by
> great
> > to have such tools for opensource system like postgres.
> >
> > Also, if anybody has any ideas or alternatives on content version
> control
> > system i will be realy thankfull.
> >
> > Thanks Milos
> >
> > --
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>
>
>
> --
> Jonah H. Harris, Sr. Software Architect | phone: 732.331.1324
> EnterpriseDB Corporation | fax: 732.331.1301
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>