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From "Apache Spark (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-19088) Optimize sequence type deserialization codegen
Date Wed, 29 Mar 2017 22:01:42 GMT

    [ https://issues.apache.org/jira/browse/SPARK-19088?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15947972#comment-15947972
] 

Apache Spark commented on SPARK-19088:
--------------------------------------

User 'ueshin' has created a pull request for this issue:
https://github.com/apache/spark/pull/17473

> Optimize sequence type deserialization codegen
> ----------------------------------------------
>
>                 Key: SPARK-19088
>                 URL: https://issues.apache.org/jira/browse/SPARK-19088
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>            Reporter: Michal Šenkýř
>            Assignee: Michal Šenkýř
>            Priority: Minor
>              Labels: performance
>             Fix For: 2.2.0
>
>
> Sequence type deserialization codegen added in [PR #16240|https://github.com/apache/spark/pull/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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