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  1. Spark
  2. SPARK-19088

Optimize sequence type deserialization codegen

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Details

    • Improvement
    • Status: Resolved
    • Minor
    • Resolution: Fixed
    • None
    • 2.2.0
    • SQL

    Description

      Sequence type deserialization codegen added in PR #16240 should use a proper builder instead of a conversion (using to) to avoid an additional pass.

      This will require an additional MapObjects-like operation that will use the provided builder instead of building an array.

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        requires

        Bug - A problem which impairs or prevents the functions of the product. SPARK-16792 Dataset containing a Case Class with a List type causes a CompileException (converting sequence to list)

        • Critical - Crashes, loss of data, severe memory leak.
        • Resolved
        links to

        Pull request #16541 [Github] Pull Request #16541 (michalsenkyr)

        Pull request #17473 [Github] Pull Request #17473 (ueshin)

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            michalsenkyr Michal Šenkýř
            michalsenkyr Michal Šenkýř
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