r.4ntix

@liukun4515 @thinkharderdev @mingmwang This can be fixed by specifying the `--sled-dir` parameter when starting the scheduler service.

If the host and port parameter is not provided, do we use `BallistaContext::standalone` mode?

> > If the host and port parameter is not provided, do we use `BallistaContext::standalone` mode? > > Yes, exactly. Ok, I will learn the CLI code and try to...

> @r4ntix I took the liberty of merging latest from master and fixing merge conflicts Thank you very much for helping to fix the remaining issues, I will keep learning...

@andygrove @comphead I tried to analyze the problem and found that `SELECT count(distinct c1) as cnt_distinct FROM aggregate_test_100` is also expected in distributed mode. Because `single distinct` is optimized by...

The overall directory structure after sorting is as follows: ```shell ./src/parser/ |-- alter.rs |-- analyze.rs |-- assert.rs |-- begin.rs |-- cache.rs |-- close.rs |-- commit.rs |-- copy.rs |-- create.rs |--...

@alamb If possible, we can break it up into some issues and PRs to step through this refactoring. Do you have any suggestions for this? Thank you very much. 😊

q16 looks like it's a datafusion-proto issue: https://github.com/apache/arrow-datafusion/issues/3820

@andygrove @yahoNanJing Could you please give some feedback and suggestions?

great feature! 👍 Is it possible to support custom `CatalogProvider` in the next step?