nnsgmsone

dose is support minus？

1

Although mysql does not support minus, however some subqueries may turn to minus, can these subqueries also be used to build incremental materialized views?

### Is there an existing issue for the same bug? - [X] I have checked the existing issues. ### Environment ```Markdown - Version or commit-id (e.g. v0.1.0 or 8b23a93): -...

[Bug]: Standardize the behavior of tableDef, Resolve, GetHidekey and their definitions

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### Is there an existing issue for the same bug? - [X] I have checked the existing issues. ### Environment ```Markdown - Version or commit-id (e.g. v0.1.0 or 8b23a93): -...

## What type of PR is this? - [ ] API-change - [ ] BUG - [X] Improvement - [ ] Documentation - [ ] Feature - [ ] Test...

[Bug]: All show statements should add the limits of account, user, role, otherwise the output table may not be correct.

1

### Is there an existing issue for the same bug? - [X] I have checked the existing issues. ### Environment ```Markdown - Version or commit-id (e.g. v0.1.0 or 8b23a93): -...

## What type of PR is this? - [ ] API-change - [ ] BUG - [ ] Improvement - [ ] Documentation - [ ] Feature - [ ]...