[cangencer]

This is very true. Stream processing is both old and new and I think it takes time for technology like this to really mature. There's currently a standardisation effort around Streaming SQL which may bear some fruit, but probably still many years away. Right even if you want to use some standard language like SQL to describe streaming queries there's differences in each tool both in syntax and semantics.

[chrisjc]

Are you referring to this? https://arxiv.org/abs/1905.12133

HN Link: https://news.ycombinator.com/item?id=20059006

[cangencer]

The paper is part of the standardization effort but is not the final authority on the process. It is a very good reference on how to approach streaming SQL, even though the Jet model will have a few differences to the presented paper.

p.s.: sorry for the late reply (somehow I wrote and didn't publish).