[SPARK-21912][SQL][FOLLOW-UP] ORC/Parquet table should not create invalid column names #19562
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What changes were proposed in this pull request?
During SPARK-21912, we skipped testing 'ADD COLUMNS' on ORC tables due to ORC limitation. Since SPARK-21929 is resolved now, we can test both
ORCandPARQUETcompletely.How was this patch tested?
Pass the updated test case.