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Posted to issues@spark.apache.org by "Chao Sun (Jira)" <ji...@apache.org> on 2022/02/10 18:54:00 UTC

[jira] [Created] (SPARK-38179) Improve WritableColumnVector to better support null struct

Chao Sun created SPARK-38179:
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             Summary: Improve WritableColumnVector to better support null struct
                 Key: SPARK-38179
                 URL: https://issues.apache.org/jira/browse/SPARK-38179
             Project: Spark
          Issue Type: Sub-task
          Components: SQL
    Affects Versions: 3.3.0
            Reporter: Chao Sun


Currently {{WritableColumnVector}} of struct type requires to allocate space in all child vectors for null elements. This is not very space efficient. In addition, this model doesn't work well with Parquet vectorized scan for struct (in SPARK-34863).



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