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

### Is there an existing issue for enhancement? - [X] I have checked the existing issues. ### What would you like to be added ? ```Markdown Supports decimal type for...

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

### Parent Issue #4095 ### Detail of Subtask 1. The tae implements truncate without changing the tableid of the table 2. The truncate and drop statements can be executed as...

handle alter table add column issue

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

### Parent Issue #14516 ### Detail of Subtask Partition table support delay ranges, which means obtaining the range information of the table at runtime ### Describe implementation you've considered _No...

### Is there an existing issue for the same tech request? - [X] I have checked the existing issues. ### Does this tech request not affect user experience? - [X]...

[Subtask]: support database operator in transactions

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### Parent Issue issue #13516 ### Detail of Subtask support database operator in transactions ### Describe implementation you've considered _No response_ ### Additional information _No response_

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

### Is there an existing issue for the same bug? - [X] I have checked the existing issues. ### Branch Name main, 1.2-dev ### Commit ID 9571a73cf9d2c1ed0b7d97e2b6f6a2f9c9c8523c ### Other Environment...