Re:Re: Re: [DISCUSS] FLIP-392: Deprecate the Legacy Group Window Aggregation

2023-12-06 Thread Xuyang
Hi, Shengkai. Thanks to share your thought. Let me answer related questions。 > Could you give an example about the pass-through column. A session window may > contain multiple rows, which value is selected by the windowoperator? The table function make the entire inpyt row available in the out

Re:Re: Re: [DISCUSS] FLIP-392: Deprecate the Legacy Group Window Aggregation

2023-12-11 Thread Xuyang
Hi, Jane. Thanks for your feedback. >1. Let's set aside the workload for a moment and clearly conceptualize the >ideal implementation in the end state, or at the very least, document the >current limitations in this FLIP to prevent them from being overlooked. Actually the work that supports

Re:Re: Re: [DISCUSS] FLIP-392: Deprecate the Legacy Group Window Aggregation

2023-12-11 Thread Xuyang
Hi, Jim. Thanks for your explaination. >Ah, I mean to ask if you can contribute the new SESSION Table support >without needing FLIP-392 completely settled. I was trying to see if that >is separate work which can be done or if there is some dependency on this >FLIP. The pr available about session w

Re:Re: Re: [DISCUSS] FLIP-392: Deprecate the Legacy Group Window Aggregation

2024-01-01 Thread Xuyang
Hi, Martijn. Thank you for your reminder :) My idea is that in the current 1.x version, we can automatically convert the agg operator in the old grammar into the agg operator in the new grammar. Huge changes will be introduced in version 2.0 that old syntax will be directly deleted at the code