1
我正在使用BooleanFilter
在lucene索引中执行过滤器。Lucene.NET 3.0.3中FilterClause为空的BooleanFilter
代码:
BooleanFilter _filter = new BooleanFilter();
var locationFilter = new TermsFilter();
locationFilter.AddTerm(new Term("Location", "Dhaka"));
_filter.Add(new FilterClause(locationFilter, Occur.MUST));
在我的搜索代码片断
var hits = searcher.Search(query, _filter, hits_limit, Sort.RELEVANCE).ScoreDocs;
此代码工作正常;
但有时我并不需要的位置进行筛选的话,我只是把一个空BooleanFilter并执行搜索这样的:
BooleanFilter _filter = new BooleanFilter();
var hits = searcher.Search(query, _filter, hits_limit, Sort.RELEVANCE).ScoreDocs;
现在为什么不匹配,不回我没有搜索结果?;
我有一个检查,做到了'如果(没有任何过滤选项)''然后搜索(查询查询,int n,BooleanFilter null,Sort排序)' – Moshii 2014-12-09 11:04:36