Tatsuo Ishii wrote:
> As usual, following item in the 8.1.5 release note is pretty vague:
>
> * Efficiency improvements in hash tables and bitmap index scans(Tom)
>
> Especially I'm wondering what was actually improved in bitmap index
> scans. I see several commit messages regarding bitmap i
As usual, following item in the 8.1.5 release note is pretty vague:
* Efficiency improvements in hash tables and bitmap index scans(Tom)
Especially I'm wondering what was actually improved in bitmap index
scans. I see several commit messages regarding bitmap index scans, but
I cannot figure