创建索引
CREATE INDEX ON :Customer (userId); 创建索引
image.png用一个属性值判断节点是否重复
//批量保存节点的方法
@Query("UNWIND {persons} as item "
+ " MERGE(p:Person{userId:item.userId}) "
+ " ON CREATE SET p.userName = item.userName,p.userPhone=item.userPhone "
+ " ON MATCH SET p.userName = item.userName,p.userPhone=item.userPhone return p")
public List<Person> saveAll(@Param("persons") List<Person> persons);
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