Hi Hugh,
producing a minimal test case to reproduce the behaviour is indeed the
difficult part. I've been trying to do that without success. So far I'm
able to replicate the behaviour only with my full database. I'll reopen
this if I manage to narrow down the data required to replicate the
behaviour.
- Jindřich
--
Jindřich Mynarz
http://mynarz.net/#jindrich
On Wed, Nov 2, 2016 at 2:48 AM, Hugh Williams <hwilli...@openlinksw.com>
wrote:
> Hi Jindřich,
>
> Can you please provide a test case (data & query) to demonstrate the
> issue ?
>
> Best Regards
> Hugh Williams
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> On 1 Nov 2016, at 15:26, Jindřich Mynarz <mynarzjindr...@gmail.com> wrote:
>
> 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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