Re: SSI patch version 12

On Mon, Jan 17, 2011 at 09:58:35AM +0200, Anssi Kääriäinen wrote:
> One thing I have been thinking about is how does predicate locking
> indexes work when using functional indexes and functions marked as
> immutable but which really aren't. I don't know how predicate
> locking indexes works, so it might be that this is a non-issue. I
> haven't been able to break anything in this way, and even if I
> could, this is probably something that doesn't need anything else
> than a warning that if you label your index functions immutable when
> they aren't, serializable transactions might not work.

When you tell the system an untruth about the state of the world, such
as alleging immutability when it's not actually there, it will get its
revenge in ways more drastic than this.

Cheers,
David.
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