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Posted to issues@iceberg.apache.org by GitBox <gi...@apache.org> on 2021/05/07 23:51:35 UTC

[GitHub] [iceberg] RussellSpitzer commented on issue #2533: spark sql MERGE INTO There is an error Error: Error running query: java.lang.IllegalArgumentException: Can't zip RDDs with unequal numbers of partitions: List(1, 0) (state=,code=0)

RussellSpitzer commented on issue #2533:
URL: https://github.com/apache/iceberg/issues/2533#issuecomment-834873360


   Looks like there is a special casing for empty RDD's
   
   https://github.com/apache/spark/blob/d378dc5f6db6fe37426728bea714f44b94a94861/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/v2/WriteToDataSourceV2Exec.scala#L362-L371
   
   Which generates a single partition rdd from a 0 partition rdd.


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