On Mon, 18 Sep 2006, Jie Zhang wrote:
> Hi all,
> It seems that my previous email to pgsql-hackers about the latest bitmap
> index patch did not go through. Please find the latest patch in the
> attachment. Any suggestions and comments are appreciated.
> This patch is generated against the PostgreSQL CVS HEAD. This patch
> includes: (Gavin, if I miss anything, please let me know.)
> (1) Code style changes.
> (2) Fixed bugs on the multi-column support, the race condition problem if
> two backends try to insert the same new value (Thank Heikki for reporting
> this), and some others.
> (3) Added the stream bitmap implementation.
> (4) Added performance improvements for creating a bitmap index.
> (5) Added documentation.
Other bugs to do with page layout and WAL recovery.
Other TODOs are to add a bitmap specific cost estimate and to take another
pass over the code to push things into the usual backend style.
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