Re: [Haskelldb-users] 'IN' operator

[Bjorn B. <bri...@cs...>]

On Jul 10, 2006, at 4:37 AM, Matthias Radestock wrote:

> I found a bug in the '_in' implementation: The empty-list case =20
> needs to
> be handled specially since SQL (well, postgresql at least) barfs when
> you feed it the expression "...IN ()".

Thank you! I fixed this by introducing some expression optimization =20
with should get rid of some delete, update and restrict criteria =20
whose values are statically known. Again, this is pretty untested so =20
it may eat your database (this is actually a real risk, since the =20
changes affect delete and update).

/Bj=F6rn