[FLINK-2576] Add outer joins to API and Optimizer

• Type: Sub-task
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 0.10.0
• Component/s: API / DataSet, API / Scala
• Assignee: Unassigned
• Reporter: Ricky Pogalz
• Created: 26/Aug/15 09:01
• Updated: 28/Feb/19 14:30
• Resolved: 09/Oct/15 16:50

Description

Add left/right/full outer join methods to the DataSet APIs (Java, Scala) and to the optimizer of Flink.

Initially, the execution strategy should be a sort-merge outer join (FLINK-2105) but can later be extended to hash joins for left/right outer joins.