- From: David McNeil <dmcneil@revelytix.com>
- Date: Wed, 2 Feb 2011 08:08:08 -0600
- To: Ivan Herman <ivan@w3.org>
- Cc: RDB2RDF WG <public-rdb2rdf-wg@w3.org>
Received on Wednesday, 2 February 2011 14:08:49 UTC
> > Just one question, though. The domain of SQLQuery is, from the R2RML/RDF > point of view a string. Ie, anything can go there that can be managed by an > SQL engine, I am not sure there is any restriction. At first glance that > means that you can put both queries there sequentially, and the rest is in > the hands of the SQL machinery. I guess what is missing is to specify > _which_ resulting table is the one that the rest of R2RML 'sees'. Is that > correct? > I believe the SQLQuery string is restricted to being a SQL query that adheres to Core SQL 2008. As far as combining queries into a single SQL string, to me that implies joining them together in a larger SQL query. While this is possible, it does not address the point of the issue which was to avoid the copy-paste duplication of sub-queries. -David
Received on Wednesday, 2 February 2011 14:08:49 UTC