如何在结果商店模型上对neo4j进行分组

Question

我在我的neo4j数据库中有一个书店，用户从生产者阅读一本书，我需要获得生产者的其他书籍，我需要按生产者分组这个结果。

start user=node(200701)
match (user)-[r:READ]->(b)-[:PRODUCED_BY]->(producer)<-[:PRODUCED_BY]-(book)
where NOT (user)-[:RATED|:READ|:READING|:SHOP|:WISH|:TO_READ]->(book)
return book.book_id as book_id
limit 10;

Answer 1

start user=node(200701)
match (user)-[r:READ]->(b)-[:PRODUCED_BY]->(producer)<-[:PRODUCED_BY]-(book)
where NOT (user)-[:RATED|:READ|:READING|:SHOP|:WISH|:TO_READ]->(book)
return producer,collect(book.book_id) as bookIds
limit 10;