Improve issue search (#2387)

* Improve issue indexer

* Fix new issue sqlite bug

* Different test indexer paths for each db

* Add integration indexer paths to make clean

vendor/github.com/blevesearch/bleve/index_impl.go

@@ -253,6 +253,24 @@ func (i *indexImpl) Index(id string, data interface{}) (err error) {
 	return
 }
 
+// IndexAdvanced takes a document.Document object
+// skips the mapping and indexes it.
+func (i *indexImpl) IndexAdvanced(doc *document.Document) (err error) {
+	if doc.ID == "" {
+		return ErrorEmptyID
+	}
+
+	i.mutex.RLock()
+	defer i.mutex.RUnlock()
+
+	if !i.open {
+		return ErrorIndexClosed
+	}
+
+	err = i.i.Update(doc)
+	return
+}
+
 // Delete entries for the specified identifier from
 // the index.
 func (i *indexImpl) Delete(id string) (err error) {
@@ -370,7 +388,10 @@ func (i *indexImpl) SearchInContext(ctx context.Context, req *SearchRequest) (sr
 		}
 	}()
 
-	searcher, err := req.Query.Searcher(indexReader, i.m, req.Explain)
+	searcher, err := req.Query.Searcher(indexReader, i.m, search.SearcherOptions{
+		Explain:            req.Explain,
+		IncludeTermVectors: req.IncludeLocations || req.Highlight != nil,
+	})
 	if err != nil {
 		return nil, err
 	}
@@ -461,6 +482,14 @@ func (i *indexImpl) SearchInContext(ctx context.Context, req *SearchRequest) (sr
 									if err == nil {
 										value = boolean
 									}
+								case *document.GeoPointField:
+									lon, err := docF.Lon()
+									if err == nil {
+										lat, err := docF.Lat()
+										if err == nil {
+											value = []float64{lon, lat}
+										}
+									}
 								}
 								if value != nil {
 									hit.AddFieldValue(docF.Name(), value)