[ https://issues.apache.org/jira/browse/KYLIN-5000?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
star_dev updated KYLIN-5000: ---------------------------- Attachment: image-2021-06-02-13-31-44-052.png > kylin query分页多次请求间返回结果有重复 > ------------------------- > > Key: KYLIN-5000 > URL: https://issues.apache.org/jira/browse/KYLIN-5000 > Project: Kylin > Issue Type: Task > Components: Query Engine > Affects Versions: v3.1.1 > Reporter: star_dev > Priority: Major > Attachments: image-2021-06-02-13-31-44-052.png > > > 请以分页形式分多次请求kylin查询时,如第一次 > SELECT 分组条件, COUNT (1) as kkk FROM table > WHERE 过滤条件 > GROUP BY 分组条件 > LIMIT 1000 OFFSET 0 > 第二次 > SELECT 分组条件, COUNT (1) as kkk FROM table > WHERE 过滤条件 > GROUP BY 分组条件 > LIMIT 1000 OFFSET 1000 > 两次查询的结果有重复数据 > > 但当执行 > SELECT 分组条件, COUNT (1) as kkk FROM table > WHERE 过滤条件 > GROUP BY 分组条件 > LIMIT 1000 OFFSET 0 > union > SELECT 分组条件, COUNT (1) as kkk FROM table > WHERE 过滤条件 > GROUP BY 分组条件 > LIMIT 1000 OFFSET 1000 > 时,返回了2000条不重复的数据 > > 问题: > # 当以分页形式分别独立请求kylin查询时,为何不同的请求间会有重复数据? > # 当以union 形式请求kylin查询时,能按照需求返回不重复的满足条数的数据,和1有什么不同吗? -- This message was sent by Atlassian Jira (v8.3.4#803005)