From 52cb086506161dfdbd98a331b4ff004e5fb8f2bd Mon Sep 17 00:00:00 2001
From: Claudio Atzori <claudio.atzori@isti.cnr.it>
Date: Mon, 16 May 2022 12:07:40 +0200
Subject: [PATCH] [graph grouping] drop relation target path before copying
 from source

---
 .../dnetlib/dhp/oa/graph/group/oozie_app/workflow.xml  | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/dhp-workflows/dhp-graph-mapper/src/main/resources/eu/dnetlib/dhp/oa/graph/group/oozie_app/workflow.xml b/dhp-workflows/dhp-graph-mapper/src/main/resources/eu/dnetlib/dhp/oa/graph/group/oozie_app/workflow.xml
index f77b46105..888a873c5 100644
--- a/dhp-workflows/dhp-graph-mapper/src/main/resources/eu/dnetlib/dhp/oa/graph/group/oozie_app/workflow.xml
+++ b/dhp-workflows/dhp-graph-mapper/src/main/resources/eu/dnetlib/dhp/oa/graph/group/oozie_app/workflow.xml
@@ -283,7 +283,15 @@
         <error to="Kill"/>
     </action>
 
-    <join name="wait_dispatch" to="copy_relation"/>
+    <join name="wait_dispatch" to="delete_target_relation"/>
+
+    <action name="delete_target_relation">
+        <fs>
+            <delete path="${nameNode}/${graphOutputPath}/relation"/>
+        </fs>
+        <ok to="copy_relation"/>
+        <error to="Kill"/>
+    </action>
 
     <action name="copy_relation">
         <distcp xmlns="uri:oozie:distcp-action:0.2">