This is expected: phrase searches will not work when you omitTf.
omitTf means positional information about tokens is not saved in the
index. Span queries & phrase queries require that positional
information to work.
Mike
Siraj Haider wrote:
We are having a problem running searches on an index after upgrading
to
2.4 and using the new Field.setOmitTf() function. The index size has
been dramatically reduces and even the search performace is better.
But
searches do not return any results if searching for something that
has a
space in it.
Thats how I am running the search:
Sort sort = new Sort(new SortField("DATECREATED", SortField.STRING,
true));
QueryParser queryParser = new QueryParser("", new
WhitespaceAnalyzer());
Query query = queryParser.parse("SQL SERVER");
TopFieldDocs tfd = indexSearcher.search(query, null, 9999999,
sort);
this query does not return results if query string has an space, i.e.
"SQL SERVER". This behaviour changes if we dont use
Field.setOmitTf(true) while indexing and search returns right results.
Please advice how to acheive reduced index size bby using
Field.setOmitTf() as well as searching strings with space between
words?
thanks
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