jregnier commented on issue #296:
URL: https://github.com/apache/lucenenet/issues/296#issuecomment-645421710
Thanks for the quick response, I can't really supply the sample data since
it could be many things. The data is very diverse. Hopefully, the breakdown of
my setup will be enough.
`analyzer uses a chartokenizer with a lowercase filter
var dir = FSDirectory.Open(indexFolderPath);
var indexConfig = new IndexWriterConfig(LuceneVersion.LUCENE_48, {analyzer});
_writer = new IndexWriter(dir, indexConfig);
var parentDocument = new Document();
parentDocument.Add({BinaryDocValuesField});
parentDocument.Add({StringField});
parentDocument.Add({StringField});
parentDocument.Add({StringField});
var childDocument = new Document();
childDocument.Add({StringField});
childDocument.Add({StringField});
childDocument.Add({TextField}) // not stored;
childDocument.Add({StringField}) // only some documents will have this;
// we are creating a parent child relationship with this list of documents
_writer.AddDocuments(documentList)
_reader = DirectoryReader.Open(FSDirectory.Open(indexFolderPath));
_searcher = new IndexSearcher(_reader);
BooleanQuery.MaxClauseCount = int.MaxValue;
var searchString = "value:*test search string*"
var terms = new SpanMultiTermQueryWrapper<WildcardQuery>(new
WildcardQuery(new Term(fieldName, word)) // terms is a list of these for each
word
var childQuery = new SpanNearQuery(terms, 0, true)
var parentFilter = new FixedBitSetCachingWrapperFilter(
new QueryWrapperFilter(
new TermQuery(
new Term(fieldName, value))));
var query = ToParentBlockJoinQuery(childQuery, parentFilter, ScoreMode.Max);
var sort = new Sort(new SortField(null, SortFieldType.DOC));
return _searcher.Search(query, _reader.NumDocs, sort)`
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