Victor Zharikov created SOLR-14638:
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Summary: Edismax boost function zero score
Key: SOLR-14638
URL: https://issues.apache.org/jira/browse/SOLR-14638
Project: Solr
Issue Type: Bug
Security Level: Public (Default Security Level. Issues are Public)
Affects Versions: 7.7.2, 7.7.1
Environment: I am using the [https://hub.docker.com/_/solr] image for
7.7.1 and 7.7.2 versions without any major changes.
Reporter: Victor Zharikov
I'm using edismax to boost a score.
Using the 'field(field_name)' function's boost, I multiply the points by the
value of this field.
Its behavior without any patch notes became noticeably different between 7.7.1
and 7.7.2.
On version 7.7.1, the record for which the 'field_name' field is not filled has
regular score. And the record score with field_name = 2.0, for example, is
multiplied by two.
On version 7.7.2, a record with the field 'field_name' not filled in has ZERO
score. And for the record with field_name = 2.0, the points are still
multiplied by two from the normal result.
It completely breaks the score ranking.
Example .
Version 7.7.1
no field_name "score": 32.586094
field_name = 2.0 "score": 65.17219
no field_name "score": 0.0
field_name = 2.0 "score": 65.17219
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