Tapan Vaishnav created LUCENE-8424:
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Summary: Payload null value exception handling
Key: LUCENE-8424
URL: https://issues.apache.org/jira/browse/LUCENE-8424
Project: Lucene - Core
Issue Type: Bug
Affects Versions: 7.3.1, 7.2
Reporter: Tapan Vaishnav
If-Condition to check payload null value in _PayloadScoreQuery.java_ was
removed in LUCENE-8038. Because of that, regarding of the payload value,
_payloadsSeen_ is always getting increment. This has compromised the overall
score of the document(for instance, as payloadSeens is always greater than 0,
docScore() in _MinPayloadFunction.java_ only returns payloadScore which can be
zero depending on the payload value). Ideally, it should've returned 1 in case
of _payload==null_.
I have added a simple patch to get started, Please let me know if it needs any
improvements.
Thanks in advance.
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