Re: WAL files format

What information are currently strored in WAL sequence ?

Jonah H. Harris wrote:
> xlog.c :)
>
> On Sun, Apr 20, 2008 at 1:55 PM, Miloš Ország <milos.orszag@gmail.com> wrote:
>   
>> Is there any document describing WAL file format?
>>
>>
>>
>>
>> On Sun, Apr 20, 2008 at 7:20 PM, Jonah H. Harris <jonah.harris@gmail.com>
>> wrote:
>>
>>     
>>> See xlogdump and xlogviewer.
>>>
>>>
>>>
>>>
>>> On Sun, Apr 20, 2008 at 7:44 AM, mito <milos.orszag@gmail.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
>>> 499 Thornall Street, 2nd Floor | jonah.harris@enterprisedb.com
>>> Edison, NJ 08837 | http://www.enterprisedb.com/
>>>
>>>       
>>     
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