apache / apache/kyuubi

[TASK][EASY] Spark crashes with ClassCastException when resolving a join of masked tables

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#5,367 2 comments 0 reactions 1 assignee Claimed by @xza-m View on GitHub
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Description

### Code of Conduct

- [X] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct)

### Search before creating

- [X] I have searched in the [task list](https://github.com/orgs/apache/projects/296) and found no similar tasks.

### Mentor

- [ ] I have sufficient knowledge and experience of this task, and I volunteer to be the mentor of this task to guide contributors to complete the task.

### Skill requirements

- Knowledge about Spark Catalyst
- Basic Knowledge of SQL authorization model, e.g. Apache Ranger

### Background and Goals

Spark authz plugin may generate an invalid query plan which fails the query
https://github.com/apache/kyuubi/issues/5092

### Implementation steps

Analysis the stack trace and fix the invalid query plan

### Additional context

Original reporter is @yaooqinn

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