Bjarke Mortensen created LUCENE-8495:
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Summary: ComplexPhraseQuery.rewrite throws "Unknown query
type:org.apache.lucene.search.SynonymQuery" when nested BooleanQuery contains a
SynonymQuery
Key: LUCENE-8495
URL: https://issues.apache.org/jira/browse/LUCENE-8495
Project: Lucene - Core
Issue Type: Bug
Components: core/queryparser
Affects Versions: 7.4
Reporter: Bjarke Mortensen
Attachments:
0001-Added-support-for-nested-synonym-queries-in-ComplexP.patch
When using nested queries in ComplexPhrases, and a part of the query is a
SynonymQuery, an exception is thrown from addComplexPhraseClause:
{{throw new IllegalArgumentException("Unknown query type:"}}
{{ + childQuery.getClass().getName());}}
Examples (dogs and tv are synonyms):
{{"(cats OR dogs) cigar"}}
"platform* (video* OR tv)"~10
The bug is similar in nature to LUCENE-8305, in that SynonymQuery support was
added to ComplexPhraseQueryParser (in LUCENE-7695), but was not expanded to
nested queries.
The fix is similar to the one in LUCENE-8305, namely to add the same logic in
addComplexPhraseClause as in rewrite.
See attached patch.
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