我有2个表格:手稿和manuscript_log。带INNER JOIN的MySQL concat
我想显示各稿件对应的日志在同一行。
例如: 我有两个手稿1和2. 手稿1有2个日志,手稿2有3个日志。
我想获得在查询两个结果,由manuscrit ID分组:
manuscript_id manuscript_log
1. 1,2
2. 3,4,5
SELECT manuscript.id, manuscript_log.log_number
FROM manuscript INNER JOIN manuscript_log
ON manuscript.id = manuscript_log.manuscript_id
见http://stackoverflow.com/ questions/276927/can-i-concatenate-multiple-mysql-rows-into-one-field for a more upvoted upvoted question/answer on the same issue。 –