Note: I'm bound to lucene 3.0.3 for the context of this question, but
I would be interested to know if newer versions would help me here.
I have an existing document in my directory that has one regular
String field and one numeric field. I naively thought I could update
that document to change the String field with code like this:
FSDirectory dir = FSDirectory.open(...);
IndexWriter writer = new IndexWriter(dir, new
StandardAnalyzer(Version.LUCENE_30), MaxFieldLength.UNLIMITED);
// doc has 2 fields, one String and the other numeric
Document doc = new Document();
doc.add(new Field("string", "value", Store.YES,
Index.ANALYZED_NO_NORMS));
NumericField nf = new NumericField("numeric", Field.Store.YES,
true);
nf.setIntValue(42);
doc.add(nf);
writer.addDocument(doc);
writer.commit();
// make sure we can query on the numeric field
IndexSearcher searcher = new IndexSearcher(dir);
TopDocs docs = searcher.search(new TermQuery(new Term("numeric",
NumericUtils.intToPrefixCoded(42))), 1);
if (docs.totalHits != 1) {
throw new AssertionError();
}
doc = searcher.doc(docs.scoreDocs[0].doc);
searcher.close();
// update document with new value for string field
doc.removeField("string");
doc.add(new Field("string", "value2", Store.YES,
Index.ANALYZED_NO_NORMS));
writer.updateDocument(new Term("string", "value"), doc);
writer.commit();
// search again
searcher = new IndexSearcher(dir);
docs = searcher.search(new TermQuery(new Term("numeric",
NumericUtils.intToPrefixCoded(42))), 1);
if (docs.totalHits != 1) {
throw new AssertionError(docs.totalHits);
}
That doesn't seem to work however. It seems I need to get the
NumericField rematerialized in the document passed to
updateDocument(). I was hoping to avoid that if possible so
I'm looking for any suggestions someone might offer.
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