Re: updateable cursors & visibility - Mailing list pgsql-hackers

From Hiroshi Inoue
Subject Re: updateable cursors & visibility
Date
Msg-id 3E82BF1F.A73087EA@tpf.co.jp
Whole thread Raw
In response to Re: updateable cursors & visibility  (Bruce Momjian <pgman@candle.pha.pa.us>)
List pgsql-hackers
Bruce Momjian wrote:
>
> Sorry, no idea.  Peter's idea is that FOR UPDATE requires SENSITIVE, so
> INSENSITIVE has to be READONLY because the update has to see other
> changes to be accurate.
>
> I think clearly SENSITIVE/READONLY should be possible, so:
>
>         READONLY/SENSITIVE      possible
>         READONLY/INSENSITIVE    possible
>         FOR UPDATE/SENSITIVE    possible
>         FOR UPDATE/INSENSITIVE  not possible
>
> READONLY can be either way, while FOR UPDATE requires SENSITIVE.

SENSITIVE doesn't mean *not INSENESITIVE*.
INSENSITIVE doesn't mean *not SENSITIVE*.

regards,
Hiroshi Inoue
    http://www.geocities.jp/inocchichichi/psqlodbc/


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