[Bug]: window/agg allocates too many small objects.

[fengttt]

Is there an existing issue for the same bug?

• I have checked the existing issues.

Branch Name

main

Commit ID

e7771f6

Other Environment Information

- Hardware parameters:
- OS type:
- Others:

Actual Behavior

Window/Agg generate too many small objects.

Expected Behavior

No response

Steps to Reproduce

See profiling.

Additional information

No response

[m-schen]

暂时没空做，需要等处理完手头的bug + spill

[m-schen]

预计在2.1进行处理，主要是解决执行上下文小对象过多的问题。

[m-schen]

还在忙该版本的事情收尾

[m-schen]

sad, 还在修改group by和聚合的问题。

[m-schen]

暂时还没发开始这项工作。

聚合目录下的代码有一些改动，会在最近合并。可能对该issue也有所改善，到时候会关联上这个issue.

[m-schen]

聚合的改动pr正在合并过程中