From c31bd5d7b0abc5290b98d580833a6189f15e30f2 Mon Sep 17 00:00:00 2001
From: Michael Simons <michael@simons.ac>
Date: Fri, 31 Mar 2023 11:41:41 +0200
Subject: [PATCH] GH-2704  - Always define `__relationships__` parameter.

In #2668 storing of relationships has been optimised so that existing relationships are not always refetched. The new query always requires `__relationships__` to be present. In the case of relationships with defined properties, `Neo4jMappingContext#createStatementForRelationshipWithPropertiesBatch` only defines that argument for new relationships, so updating relationships with properties fails.

Closes #2704
---
 .../data/neo4j/core/mapping/Neo4jMappingContext.java            | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/org/springframework/data/neo4j/core/mapping/Neo4jMappingContext.java b/src/main/java/org/springframework/data/neo4j/core/mapping/Neo4jMappingContext.java
index b93dcd345..0e13dd5d1 100644
--- a/src/main/java/org/springframework/data/neo4j/core/mapping/Neo4jMappingContext.java
+++ b/src/main/java/org/springframework/data/neo4j/core/mapping/Neo4jMappingContext.java
@@ -613,8 +613,8 @@ public final class Neo4jMappingContext extends AbstractMappingContext<Neo4jPersi
 				getEntityConverter().write(relatedValue.getRelationshipProperties(), propMap);
 				relationshipRows.add(propMap);
 			}
-			relationshipPropertiesEntries.put(Constants.NAME_OF_RELATIONSHIP_LIST_PARAM, relationshipRows);
 		}
+		relationshipPropertiesEntries.put(Constants.NAME_OF_RELATIONSHIP_LIST_PARAM, relationshipRows);
 		return new CreateRelationshipStatementHolder(relationshipCreationQuery, relationshipPropertiesEntries);
 	}