From e3b0b456a55d39630e393195a369f6ffa3bc9ac2 Mon Sep 17 00:00:00 2001
From: Martin Czygan <martin.czygan@gmail.com>
Date: Thu, 5 Aug 2021 13:25:31 +0200
Subject: map: only include complete rows

---
 skate/map.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/skate/map.go b/skate/map.go
index ad62328..145891d 100644
--- a/skate/map.go
+++ b/skate/map.go
@@ -426,6 +426,9 @@ func MapperBrefIdentifierTable(p []byte) (field [][]byte, err error) {
 	if err := json.Unmarshal(p, &bref); err != nil {
 		return nil, err
 	}
+	if bref.SourceDOI == "" || bref.TargetDOI == "" {
+		return nil, nil
+	}
 	return [][]byte{
 		[]byte(bref.SourceReleaseIdent),
 		[]byte(bref.TargetReleaseIdent),
-- 
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