- From: Andy Seaborne <andy@apache.org>
- Date: Fri, 15 Jul 2016 16:18:27 +0100
- To: "Peter F. Patel-Schneider" <pfpschneider@gmail.com>, public-sparql-exists@w3.org
On 15/07/16 16:01, Peter F. Patel-Schneider wrote: > On 07/15/2016 07:41 AM, Andy Seaborne wrote: > [...] > >> >> Peter wrote: >>> because multisets also need to be allowed as Graph Patterns. >> >> Where exactly? (VALUES uses ToMultiSet). >> >> Andy > > Not so! > > ******* > 18.2.2.6 Translate Graph Patterns > > If the form is InlineData > > The result is a multiset of solution mappings 'data'. > > data is formed by forming a solution mapping from the variable in the > corresponding position in list of variables (or single variable), omitting a > binding if the BindingValue is the word UNDEF. > ******* > > The translation to the SPARQL algebra ends up putting actual multisets of > solution mappings into the expression before the evaluation phase. These do > not show up the characterization of the SPARQL algebra. > > peter > > OK - That wording is not very good at all. "18.2.4.3 VALUES" does use ToMultiSet. I'll start collecting "other errata" as we go along. (When someone finds such a point, please draft some text.) Andy
Received on Friday, 15 July 2016 15:18:58 UTC