[JENA-973] Expression NOT EXISTS define equality by alegbra equivalence, not syntax equivalance.

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: Jena 2.13.0
• Fix Version/s: Jena 3.0.0
• Component/s: ARQ
• Assignee: Andy Seaborne
• Reporter: Andy Seaborne
• Created: 24/Jun/15 15:23
• Updated: 29/Jun/15 17:31
• Resolved: 29/Jun/15 17:31

Description

FILTER NOT EXISTS (and FILTER EXISTS) define their .equals by the equality of the algebra expression of the pattern part. This works except they are also syntax elements. There can be two different syntax ways to write what becomes the same algebra (but not the other way round).