neo4j批量并行删除或者更新图里数据

**call apoc.periodic.iterate('match ()-[r]->() return r,[toString(round(rand()*1000))] as p ','WITH {r} as t,{p} as p SET t.haha =p', {batchSize:1000, parallel:true,retries:2});**

该功能是给关系r，设置一个数组属性。同样可以用来删除属性等。