b4c32c4952
## What changes were proposed in this pull request? I create a bucketed table bucketed_table with bucket column i, ```scala case class Data(i: Int, j: Int, k: Int) sc.makeRDD(Array((1, 2, 3))).map(x => Data(x._1, x._2, x._3)).toDF.write.bucketBy(2, "i").saveAsTable("bucketed_table") ``` and I run the following SQLs: ```sql SELECT j FROM bucketed_table; Error in query: bucket column i not found in existing columns (j); SELECT j, MAX(k) FROM bucketed_table GROUP BY j; Error in query: bucket column i not found in existing columns (j, k); ``` I think we should add a check that, we only enable bucketing when it satisfies all conditions below: 1. the conf is enabled 2. the relation is bucketed 3. the output contains all bucketing columns ## How was this patch tested? Updated test cases to reflect the changes. Author: Yadong Qi <qiyadong2010@gmail.com> Closes #13321 from watermen/SPARK-15549. |
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