除 SELECT ... INTO <variable> 外，MySQL 和 TiDB 支持的语法相同。
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Description
File: /release-8.1/user-defined-variables.md
除 SELECT ... INTO 外，MySQL 和 TiDB 支持的语法相同。
请问下为什么这个地方不做兼容？这个功能在大量sql执行中可以简化逻辑。不兼容有哪些考量？可有规划？
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with release-8.1/user-defined-variables.md and review the statement about SELECT ... INTO compatibility between MySQL and TiDB. Determine whether the request concerns documentation, an implementation gap, or a planned feature, then document the compatibility rationale or link the relevant plan if one exists.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- mysql
- Domain
- databases
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100