[Bizgres-general] Re: Bitmap Index on-disk format documentation

[Mark Kirkwood]

Mark Kirkwood wrote:
> It has been a quiet week here, so I thought I would have a go at 
> documenting the on-disk format for the new bitmap indexes:
> 
> http://www.homepages.paradise.net.nz/markir/bitmap/
> 
> The section entitled 'Data Structures' is a bit clumsy, (work in 
> progress - suggestion welcome). I have also included a simple worked 
> example that reads a bitmap index directly. Enjoy.
> 
> For anyone that wants to play, the SGML source is at:
> 
> http://www.homepages.paradise.net.nz/markir/download/bitmap-doc.tar.gz
> 

I've updated these docs to reflect the changes in the 01-15 patch - 
specifically 8-bit words and a mapping function based on calculating 
MaxNumTuples per page.

Enjoy

Mark