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

[pan3793]

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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
#5092

Implementation steps

Analysis the stack trace and fix the invalid query plan

Additional context

Original reporter is @yaooqinn

[xza-m]

Hello, I am interested in this task, can i try? I estimate it will take two weeks.

[pan3793]

@xza-m thanks, assigned