you can try to add a filter on a colum of some big fact table,before you try to pick some colum value as filter, tableau will send a select * query without any limit clause to list all the column value for you to choose from.and that is where it cause this problem.
来自 赵天烁的 魅族 MX -------- 原始邮件 -------- 发件人：Li Yang <liy...@apache.org> 时间：周日 5月14日 17:01 收件人：dev@kylin.apache.org 主题：Re: BadQueryDetector (Please ignore the last post) Could any one provide more details to reproduce this problem? At least I didn't spot "select * from fact" when using Tableau+Kylin. Cheers Yang On Sun, May 14, 2017 at 10:31 AM, 赵天烁 <zhaotians...@meizu.com> wrote: > we have the same issue.... > > > > 来自 赵天烁的 魅族 MX > > > > -------- 原始邮件 -------- > 发件人：Li Yang <liy...@apache.org> > 时间：周日 5月14日 10:12 > 收件人：dev@kylin.apache.org > 主题：Re: BadQueryDetector (Please ignore the last post) > > My impression is, when connecting live, Tableau will "select * from" > DIMENSION table. And that is affordable. Tableau shall never "select * > from" the FACT table. Could you verify? > > On Tue, May 9, 2017 at 1:59 PM, Billy Liu <billy...@apache.org> wrote: > > > Have you checked the “Direct Mode” on Tableau? Have you asked for help > from > > Tableau community? > > > > 2017-04-25 23:12 GMT+08:00 rahulsingh <rahul.si...@i-link.co.in>: > > > > > Hi all, > > > > > > We are using Tableau Desktop 10.2.1 with Kylin 1.6. We got success to > > > connect kylin with tableau wia ODBC driver. > > > We have one table in kylin having 41 columns and around 5 milion > records. > > > And we use this table as a data source in tableau. > > > When we prepare report in Tableau with some rows and columns, it is > > firing > > > “select * from > > > ” query on Kylin. Ideally Tableau should only fire specific group by > > querys > > > based on the reports. > > > And because we have so many data in the cube, the “select * from > > > ” query on kyline make the Kylin hangup and then it is not responding. > > > > > > How should we handle this “select * from > > > ” query from Tableau ? Do we have some settings that block this type > of * > > > query. > > > > > > Thank You, > > > Rahul Singh > > > > > > -- > > > View this message in context: http://apache-kylin.74782.x6. > > > nabble.com/BadQueryDetector-Please-ignore-the-last-post-tp7770.html > > > Sent from the Apache Kylin mailing list archive at Nabble.com. > > > > > >
