Re: Joining and Grouping Flink Tables with Java API

2021-02-15 Thread Abdelilah CHOUKRI
t; > >> > I think what Arvid meant is a UNION ALL in SQL. You would normalize the >> > two streams into a CarWithBrand before (containing nulls for the other >> > side), and then groupBy/aggregate to the last value and filter out >> > invalid CarWithBrands.

Joining and Grouping Flink Tables with Java API

2021-02-08 Thread Abdelilah CHOUKRI
Hi, We're trying to use Flink 1.11 Java tables API to process a streaming use case: We have 2 streams, each one with different structures. Both events, coming from Kafka, can be: - A new event (not in the system already) - An updated event (updating an event that previously was inserted) so we