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                                            Ken Chen

Support for Apache Arrow and ADBC (Arrow Database Connectivity)

Thanks for the input. May I ask if you are using ADBC etc in your current project / prod env ? I am trying to understand how mature the ADBC...

Native support of RANK()

Hi, if you can have a pseudo SQL, that will be helpful. Usually within an aggregation group (1 min window), we may be able to do "order by" to emulate...

Native support of RANK()

I think the rank and percentile is still bound to a window in your example ?

Native support of RANK()

So I feel like we can have it supported? Order by and percentile() function operate in that emit window, we get the results we like to have ?

Join Kafka stream with slowly changing dimension table in SQL Server

Thanks @kali786516 for raising up this interesting question. In Proton, you can join a stream against a live versioned-kv stream which is lively updated and every time there is update...

Join Kafka stream with slowly changing dimension table in SQL Server

@kali786516, Awesome. Thanks for your detailed reply. Yes, for kv stream, it is designed to handle the baseline and apply the CDC upsert changes. May I ask how many unique...

Join Kafka stream with slowly changing dimension table in SQL Server

Hello @kali786516 , may I ask if you got a chance to read the follow up questions which will be very helpful to us for internal testing ? Thanks a...

Join Kafka stream with slowly changing dimension table in SQL Server

Hi @kali786516 , recently we have done some significant improvements in Timeplus Enteprise which solves 1. Mutable data streaming processing aggregation and join 2. Large scale lots of concurrent mutable...

Cannot run `tumble(ext_stream, 1d)` on external stream, DB::Exception: This input format is only suitable for streams with a single column of type String but the number of columns is 3. (BAD_ARGUMENTS)

@zliang-min may you hep take a look ? Thanks

Cannot run `tumble(ext_stream, 1d)` on external stream, DB::Exception: This input format is only suitable for streams with a single column of type String but the number of columns is 3. (BAD_ARGUMENTS)

@jovezhong could you `show create` to share the stream definition ?