1
我正在使用BooleanFilter
在lucene索引中執行過濾器。Lucene.NET 3.0.3中FilterClause爲空的BooleanFilter
代碼:
BooleanFilter _filter = new BooleanFilter();
var locationFilter = new TermsFilter();
locationFilter.AddTerm(new Term("Location", "Dhaka"));
_filter.Add(new FilterClause(locationFilter, Occur.MUST));
在我的搜索代碼片斷
var hits = searcher.Search(query, _filter, hits_limit, Sort.RELEVANCE).ScoreDocs;
此代碼工作正常;
但有時我並不需要的位置進行篩選的話,我只是把一個空BooleanFilter並執行搜索這樣的:
BooleanFilter _filter = new BooleanFilter();
var hits = searcher.Search(query, _filter, hits_limit, Sort.RELEVANCE).ScoreDocs;
現在爲什麼不匹配,不回我沒有搜索結果?;
我有一個檢查,做到了'如果(沒有任何過濾選項)''然後搜索(查詢查詢,int n,BooleanFilter null,Sort排序)' – Moshii 2014-12-09 11:04:36