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https://issues.apache.org/jira/browse/SPARK-48286?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun closed SPARK-48286.
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> Analyze 'exists' default expression instead of 'current' default expression
> in structField to v2 column conversion
> ------------------------------------------------------------------------------------------------------------------
>
> Key: SPARK-48286
> URL: https://issues.apache.org/jira/browse/SPARK-48286
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 4.0.0
> Reporter: Uros Stankovic
> Assignee: Uros Stankovic
> Priority: Trivial
> Labels: pull-request-available
> Fix For: 3.5.2, 4.0.0
>
>
> org.apache.spark.sql.catalyst.util.ResolveDefaultColumns#analyze method
> accepts 3 parameter
> 1) Field to analyze
> 2) Statement type - String
> 3) Metadata key - CURRENT_DEFAULT or EXISTS_DEFAULT
> Method
> org.apache.spark.sql.connector.catalog.CatalogV2Util#structFieldToV2Column
> pass fieldToAnalyze and EXISTS_DEFAULT as second parameter, so it is not
> metadata key, instead of that, it is statement type, so bad expression is
> analyzed.
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