[SPARK-29480] Ensure that each input row refers to a single relationship type

• Type: New Feature
• Status: Closed
• Priority: Minor
• Resolution: Won't Do
• Affects Version/s: 3.0.0
• Component/s: Graph
• Epic Link: Property Graph / Cypher / Algorithms
• Assignee: Unassigned
• Reporter: Martin Junghanns
• Created: 15/Oct/19 15:12
• Updated: 17/Mar/20 08:40
• Resolved: 17/Mar/20 08:40

Description

As pointed out in https://github.com/apache/spark/pull/24851/files#r334704485 we need to make sure that no row in an input Dataset representing different relationships types has multiple rel type columns set to true.