[Enhancement](doris-future) Support "REGR_" aggregation functions (PART III)

[zclllyybb]

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Description

We are going to support all regression functions in pg. You can see them in https://www.postgresql.org/docs/16/functions-aggregate.html with regr_ prefix. And considring the difficulty of this task, it will be nice for community as "good first issue".

In this issue, you should implement function regr_r2

If you'd like to work on it, please comment to let me know. I'll help you to achieve this.

Solution

you can found an example of implementation of a aggregate function here

Are you willing to submit PR?

• Yes I am willing to submit a PR!

Code of Conduct

• I agree to follow this project's Code of Conduct

[JoverZhang]

Can you please assign it to me? I want to work on it.

[zclllyybb]

Can you please assign it to me? I want to work on it.

yes~ feel free to communicate when you meet problem.

[zclllyybb]

@JoverZhang hello, any developments or problem recently?

[JoverZhang]

@JoverZhang hello, any developments or problem recently?

Thanks, development is in progress. I will submit a PR as soon as possible.

[zclllyybb]

ok. if you meet any problem, just let me know