Ok, i have opened the issue with the test case. Thanks.
https://issues.apache.org/jira/browse/FLINK-5840 From: Fabian Hueske [mailto:fhue...@gmail.com] Sent: Saturday, February 18, 2017 3:33 AM To: user@flink.apache.org Subject: Re: Aggregation problem. Hi, this looks like a bug to me. Can you open a JIRA and maybe a small testcase to reproduce the issue? Thank you, Fabian 2017-02-18 1:06 GMT+01:00 Kürşat Kurt <kur...@kursatkurt.com <mailto:kur...@kursatkurt.com> >: Hi; I have a Dataset like this: (0,Auto,0.4,1,5.8317538999854194E-5) (0,Computer,0.2,1,4.8828125E-5) (0,Sports,0.4,2,1.7495261699956258E-4) (1,Auto,0.4,1,1.7495261699956258E-4) (1,Computer,0.2,1,4.8828125E-5) (1,Sports,0.4,1,5.8317538999854194E-5) This code; ds.groupBy(0).max(4).print() prints : (0,Sports,0.4,1,1.7495261699956258E-4) (1,Sports,0.4,1,1.7495261699956258E-4) ..but i am expecting (0,Sports,0.4,2,1.7495261699956258E-4) (1,Auto,0.4,1,1.7495261699956258E-4) What is wrong with this code?