On Fri, Dec 27, 2019 at 12:12 PM 小鱼儿 <ctengc...@gmail.com> wrote:
> But i feel very confused about this design: if i can search by some > indexable field, means there should be some terms stored somewhere, so i > should be able to get these terms as a Dictionary? > Right. Here we go MultiTerms.getTerms() > > Lucene docs says it uses the same field name for 2 kinds of index data > store when set Store.YES, it seems treating them the same, here i have to > make 2 field names to compat the confusing and inner-conflicting design... > It might seems so. Almost everyone got though these doubts. I like to quote this talk https://www.youtube.com/watch?v=T5RmMNDR5XI > > Mikhail Khludnev <m...@apache.org> 于2019年12月27日周五 下午5:05写道： > > > Hello, > > It's by design: StringFields are searchable and filled by analysis > output, > > StoredFields are returned input values. > > That's it. > > > > On Fri, Dec 27, 2019 at 11:32 AM 小鱼儿 <ctengc...@gmail.com> wrote: > > > > > I have a document `category` field, which is a "|,;" separator > separated > > > string, in indexing phase, i do manually split the value into atomic > > terms > > > and index as StringField, & i also add a same name StoredField which > > > contains original value form: > > > > > > > > > > > > > > > > > > *List<String> terms = analyzer.analysis((String)fieldValue); for(String > > > term: terms) { doc.add(new StringField(fieldName, term, > Store.NO)); > > > }doc.add(new StoredField(fieldName, (String)fieldValue));* > > > > > > Then i use Suggest API to load this field's all terms: > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > * Set<String> terms = new HashSet<String>(); > > > DocumentDictionary dict = new DocumentDictionary(this.indexReader, > > > fieldName, null); InputIterator it; try { it = > > > dict.getEntryIterator(); // BytesRef byteRef = > > null; > > > while((byteRef = it.next()) != null){ String > > term > > > = byteRef.utf8ToString(); terms.add(term); } > > > } catch (IOException e) { e.printStackTrace(); > > > log.error(e.getMessage(), e); }* > > > > > > To my supprise, terms seems only returning the STORED value, which is > the > > > original value form, but i expect they should be the terms i put in > each > > > StringField! > > > > > > Is this a design miss or impl. limit? > > > > > > > > > -- > > Sincerely yours > > Mikhail Khludnev > > > -- Sincerely yours Mikhail Khludnev
