Re: WAL files format

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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