Junhao Liu comments

Results 43 comments of


                                            Junhao Liu

Enable `split_file_groups_by_statistics` by default

I'd like to help it. 🙌

INSERT INTO SQL failing on CSV-backed table

I think it's a latent bug which doesn't relate to #9595 , I tested using version 36 code. I can try to help it to see what's wrong with it....

Move Covariance (Population) covar_pop to be a User Defined Aggregate Function

> I agree once we port over the tests this PR should be good to go 🙏 Would you prefer moving test in a separate PR or in this PR?...

Move `Covariance` (Population) `covar_pop` to be a UDAF

I can take it. :)

Add more sqllogictests for `parquet_sorted_statistics`

I think it's better to push this though not finished to get early comments to better modify the code. 😀 Don't know whether I totally understand what https://github.com/apache/datafusion/issues/10336#issuecomment-2094127979 and https://github.com/apache/datafusion/pull/9593#discussion_r1586804068...

Add a UUID type

I'm new to this project and want to begin contribute with this:)

Add a UUID type

/assign How can I assign it to myself? :)

Add a UUID type

@the-other-tim-brown Sorry about that, I became busy these days so I can't work on this. :(

Using Union's input schema when recompute schema

This is an example. The sql is ``` SELECT A.col_int32 FROM test AS A \ INNER JOIN ( \ SELECT col_int32 FROM test WHERE 1 = 0 \ ) AS...

Warn on multiple ORDER BY with different orderings

I think this issue can be closed as #16311 solved it.