WAL files format - Mailing list pgsql-hackers

From mito
Subject WAL files format
Date
Msg-id 480B2CA5.7050900@ynet.sk
Whole thread Raw
Responses Re: WAL files format  ("Jonah H. Harris" <jonah.harris@gmail.com>)
Re: WAL files format  ("Harssh Mahajan" <harssh@gmail.com>)
List pgsql-hackers
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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