""John Surnow"" <surnow@jigsaw.com> wrote
> Does this mean that read access is not concurrent, or write access, or
> both?
For old GiST, you can have several connections read-*only* at the same time,
but write/write or read/write is unsafe. GiST in 8.1 is concurrent safe
already.
Regards,
Qingqing