[FLINK-2549] Add topK operator for DataSet

• Type: New Feature
• Status: Reopened
• Priority: Not a Priority
• Resolution: Unresolved
• Component/s: API / DataSet
• Labels: pull-request-available stale-assigned
• Assignee: Chengxiang Li
• Reporter: Chengxiang Li
• Created: 20/Aug/15 03:24
• Updated: 29/Jul/21 07:38

Description

topK is a common operation for user, it would be great to have it in Flink.

Issue Links

• relates to: FLINK-1901 Create sample operator for Dataset
• links to: GitHub Pull Request #1161
• links to: GitHub Pull Request #2885