Terry Smith created LUCENE-6758:
-----------------------------------
Summary: Adding a SHOULD clause to a BQ over an empty field clears
the score when using DefaultSimilarity
Key: LUCENE-6758
URL: https://issues.apache.org/jira/browse/LUCENE-6758
Project: Lucene - Core
Issue Type: Bug
Affects Versions: Trunk
Reporter: Terry Smith
Patch with unit test to show the bug will be attached.
I've narrowed this change in behavior with git bisect to the following commit:
{noformat}
commit 698b4b56f0f2463b21c9e3bc67b8b47d635b7d1f
Author: Robert Muir <[email protected]>
Date: Thu Aug 13 17:37:15 2015 +0000
LUCENE-6711: Use CollectionStatistics.docCount() for IDF and average field
length computations
git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1695744
13f79535-47bb-0310-9956-ffa450edef68
{noformat}
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