From 36de4a7097cb72fb083a6f2740b25efae31ffe01 Mon Sep 17 00:00:00 2001
From: Marty Schoch <marty.schoch@gmail.com>
Date: Mon, 1 Aug 2016 17:17:29 -0400
Subject: [PATCH] cleaner fix for the TermFrequencyRow reuse bug reset to nil
 first, let remaining logic work as before

---
 index/upside_down/row.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/index/upside_down/row.go b/index/upside_down/row.go
index a776e40b..f8cab8ab 100644
--- a/index/upside_down/row.go
+++ b/index/upside_down/row.go
@@ -544,6 +544,7 @@ func (tfr *TermFrequencyRow) parseV(value []byte) error {
 
 	tfr.norm = math.Float32frombits(uint32(norm))
 
+	tfr.vectors = nil
 	var field uint64
 	field, bytesRead = binary.Uvarint(value[currOffset:])
 	for bytesRead > 0 {
@@ -551,7 +552,9 @@ func (tfr *TermFrequencyRow) parseV(value []byte) error {
 		tv := TermVector{}
 		tv.field = uint16(field)
 		// at this point we expect at least one term vector
-		tfr.vectors = make([]*TermVector, 0)
+		if tfr.vectors == nil {
+			tfr.vectors = make([]*TermVector, 0)
+		}
 
 		tv.pos, bytesRead = binary.Uvarint(value[currOffset:])
 		if bytesRead <= 0 {