Fix alter tablespace assert and add other sql parse test

[zihaoAK47]

Fixes #26994.

Changes proposed in this pull request:

• Add alter table sql parse test
• Add select sum group by sql parse test
• Fix alter tablespace assert define
• Change alter tablespace sql cast

---

Before committing this PR, I'm sure that I have checked the following options:

• [ ✓] My code follows the code of conduct of this project.
• [ ✓] I have self-reviewed the commit code.
• I have (or in comment I request) added corresponding labels for the pull request.
• [ ✓] I have passed maven check locally : ./mvnw clean install -B -T1C -Dmaven.javadoc.skip -Dmaven.jacoco.skip -e.
• I have made corresponding changes to the documentation.
• [ ✓] I have added corresponding unit tests for my changes.