[Bizgres-general] Re: Code in bitmapxlog.c used? [was: A bitmap index access method is available]

[Jie Zhang]

On 1/7/06 9:01 PM, "Mark Kirkwood" <markir at paradise.net.nz> wrote:

> The various routines in src/backend/access/bitmap/bitmapxlog.c don't
> seem to be called anywhere, which confused me a little whilst reading -
> and all the xlog related stuff seems to be in bitmaputil.c... is
> bitmapxlog.c just old code, or am I missing something?
> 

The routines in bitmapxlog.c are called during WAL replaying when the server
starts up after unexpected crashes. The xlog-related routines in
bitmaputil.c are called during the bitmap creation at times before calling
WriteBuffer(). They are used to ensure bitmap index consistency.

Best,
Jie