Hi Lorenz,
On Tue, Nov 1, 2016 at 4:18 PM, Lorenz B. <
buehm...@informatik.uni-leipzig.de> wrote:
>
> how do you apply both FILTERs?
>
I use FILTER (STRLEN(?literal) = 8) followed by BIND (SUBSTR(?literal, 8,
1) AS ?eighth).
> Obviously the filter on the length needs to be evaluated first, and I'm
> wondering how this would be evaluated if somebody uses FILTER(cond1 &&
> cond2) as && should be commutative.
>
Exactly. It seems however that Virtuoso may reverse the order of the
FILTER. I tried using sub-SELECT with no effect. What worked was a
particularly clumsy reformulation of the original update (
https://github.com/jindrichmynarz/vvz-to-rdf/commit/3c7ab9e0ad34b024b33c8fa626a71bb18947503f
).
- Jindřich
--
http://mynarz.net/#jindrich
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