Merge pull request #589 from mschoch/fix-term-range-panic

fix panic in term range search

search/searcher/search_term_range.go

@@ -64,6 +64,10 @@ func NewTermRangeSearcher(indexReader index.IndexReader,
 
 	if !*inclusiveMin && min != nil && string(min) == terms[0] {
 		terms = terms[1:]
+		// check again, as we might have removed only entry
+		if len(terms) < 1 {
+			return NewMatchNoneSearcher(indexReader)
+		}
 	}
 
 	// if our term list included the max, it would be the last item

search/searcher/search_term_range_test.go

@@ -157,6 +157,15 @@ func TestTermRangeSearch(t *testing.T) {
 			inclusiveMax: true,
 			want:         nil,
 		},
+		// min and max same (and term exists), both exlusive
+		{
+			min:          []byte("marty"),
+			max:          []byte("marty"),
+			field:        "name",
+			inclusiveMin: false,
+			inclusiveMax: false,
+			want:         nil,
+		},
 	}
 
 	for _, test := range tests {