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MIN and MAX in face of errors from Jeremy J Carroll on 2013-10-10 (public-sparql-dev@w3.org from October to December 2013)
MIN and MAX in face of errors
- From: Jeremy J Carroll <jjc@syapse.com>
- Date: Thu, 10 Oct 2013 10:21:34 -0700
- To: public-sparql-dev@w3.org
- Message-Id: <26A2F070-3C9E-4F4B-A0A2-0F8437BB86AC@syapse.com>
I am wondering what is the right answer to the following query
SELECT
(MIN(?x) as ?a)
(MAX(?x) as ?b)
(MIN(?x+0) ?c)
(MAX(?x+0) AS ?d)
{
{ BIND(1 as ?x)}
UNION
{ BIND(1 +"x" as ?x)}
UNION
{ BIND("y" as ?x)}
}
Note that the middle BIND creates an unbound ?x, (which is lower than 1 or "y"), whereas the last BIND creates an error inside the 2nd MIN and MAXes ? (when ?x="y")
I am not at all the sure that the spec is clear about these cases
Jeremy
Principal Architect
Syapse, Inc.
Received on Thursday, 10 October 2013 17:22:04 UTC