Re: [DISCUSS] Multi-topics consuming from KafkaTableSource

2019-12-04 Thread leo
Hi all, Thanks for your involvement. The benefits can be summarized here for a multi-topics consuming via KafkaTableSource, First, It boosts developing and managing a source with so many topics, especially when the schema of topics is the same. Second, It is aligned with existed FlinkKafka

Re: [DISCUSS] Multi-topics consuming from KafkaTableSource

2019-11-26 Thread Gyula Fóra
Hi all, I think the same reasoning applies here as with the regular Kafka consumer sources. Those support multiple topics, even topic patterns assuming the same schema. Some times you have so many topics that you can't create a source for each or as with the pattern the topics might be changing

Re: [DISCUSS] Multi-topics consuming from KafkaTableSource

2019-11-26 Thread Jingsong Li
Hi leo: Can you share why KafkaSource supports multiple topics? Why can't we use multiple sources and then union them? Best, Jingsong Lee On Wed, Nov 27, 2019 at 8:19 AM leo wrote: > Hi, > > As Flink does not own the data, so it can not forbid this. It's the > responsibility of user to deseria

Re: [DISCUSS] Multi-topics consuming from KafkaTableSource

2019-11-26 Thread leo
Hi, As Flink does not own the data, so it can not forbid this. It's the responsibility of user to deserialize messages from these topics with custom schema deser. On 11/26/19 10:55 AM, Jun Zhang wrote: If the data formats of the Multi-topics are different, what do you plan to do? On 11/

Re:[DISCUSS] Multi-topics consuming from KafkaTableSource

2019-11-25 Thread Jun Zhang
If the data formats of the Multi-topics are different, what do you plan to do? On 11/26/2019 08:53??leohttps://issues.apache.org/jira/browse/FLINK-14729 Best, Leo

[DISCUSS] Multi-topics consuming from KafkaTableSource

2019-11-25 Thread leo
Hi, all. I want to propose an improvement of KafkaTableSource which can consume multiple topics at the same time. Here is proposal, https://issues.apache.org/jira/browse/FLINK-14729 Best, Leo