Yijun Zhao

Results 12 issues of Yijun Zhao

I hereby agree to the terms of the CLA available at: https://databend.rs/dev/policies/cla/ ## Summary Remove `SessionRef` for simplify codes. Fixes #issue

pr-refactor

I hereby agree to the terms of the CLA available at: https://databend.rs/dev/policies/cla/ ## Summary Summary about this PR Fixes #issue

I hereby agree to the terms of the CLA available at: https://databend.rs/dev/policies/cla/ ## Summary Summary about this PR Fixes #issue

**Summary** Current Sled transaction implementation lack of `range_read` operation, we need to implement it.

C-improvement
A-meta

Add [borsh](https://borsh.io/) binary serializer to i256 and u256.

I hereby agree to the terms of the CLA available at: https://docs.databend.com/dev/policies/cla/ ## Summary Impl the [hyper style](https://www.cidrdb.org/cidr2020/papers/p29-neumann-cidr20.pdf) string. This PR is based on [Polars impls](https://pola.rs/posts/polars-string-type/) - Fixes #[Link the...

pr-feature

**Summary** - [x] initial support geometry type. #14470 - [x] support create table with geometry type. #14615 - [ ] add more functions to geometry type - [ ] add...

Maybe we can have `Vec` as column represention instead of binary. _Originally posted by @sundy-li in https://github.com/datafuselabs/databend/pull/14470#discussion_r1474076492_