On Wednesday 19 November 2003 17:35, Stephan Szabo wrote:
> On Wed, 19 Nov 2003, Ian Barwick wrote:
> > I have this table:
(...)
>
> You probably need to be querying like:
> WHERE substr(value,1,128)='foo';
> in order to use that index.
>
> While substr(txtcol, 1,128) happens to have the property that it would be
> probably be useful in a search against a short constant string, that's an
> internal property of that function.
That's the one :-). Thanks!
Ian Barwick
barwick@gmx.net