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Posted to issues@spark.apache.org by "Dongjoon Hyun (Jira)" <ji...@apache.org> on 2020/03/16 22:54:07 UTC

[jira] [Updated] (SPARK-30103) Remove duplicate schema merge logic

     [ https://issues.apache.org/jira/browse/SPARK-30103?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dongjoon Hyun updated SPARK-30103:
----------------------------------
    Affects Version/s:     (was: 3.0.0)
                       3.1.0

> Remove duplicate schema merge logic
> -----------------------------------
>
>                 Key: SPARK-30103
>                 URL: https://issues.apache.org/jira/browse/SPARK-30103
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 3.1.0
>            Reporter: Fokko Driesprong
>            Priority: Major
>
> There is duplicate logic of merging two schema's. First one in StructType.merge() and secondly in catalyst using TypeCoercion.findTightestCommonType(). My suggestion is to remove the first one.



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