BooleanQuery Does Not Work With One Query indicated as MUST_NOT
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Key: LUCENE-567
URL: http://issues.apache.org/jira/browse/LUCENE-567
Project: Lucene - Java
Type: Bug
Components: Search
Versions: 1.9
Environment: JDK 1.5, Lucene 1.9.1, Windows XP
Reporter: Nicholaus Shupe
Priority: Minor
The following code won't create a boolean query which will return anything but
a passed in query:
BooleanQuery result = new BooleanQuery();
result.add(myQuery, BooleanClause.Occur.MUST_NOT);
I'll get no results if I use this query. As a workaround, I have to add a
MatchAllDocsQuery in order to get it to work.
BooleanQuery result = new BooleanQuery();
result.add(new MatchAllDocsQuery(), BooleanClause.Occur.SHOULD);
result.add(myQuery, BooleanClause.Occur.MUST_NOT);
Maybe this is intended???? If so, perhaps the JavaDocs should be updated to
indicate this.
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