[JENA-1102] SPARQL: EBV of "a"@en should be true but is false

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: Jena 3.1.0
• Component/s: ARQ
• Assignee: Andy Seaborne
• Reporter: Richard Cyganiak
• Created: 17/Dec/15 14:46
• Updated: 14/May/16 09:51
• Resolved: 17/Dec/15 20:59

Description

SELECT ("pass" AS ?result) WHERE { FILTER("Hello") }

SELECT ("pass" AS ?result) WHERE { FILTER("Hello"@en) }

The first has a result, the second doesn’t. Tested on sparql.org.

According to what I think is the relevant bit of the spec, both should be true because they are plain literals and have non-zero length:

If the argument is a plain literal or a typed literal with a datatype of xsd:string, the EBV is false if the operand value has zero length; otherwise the EBV is true.