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https://issues.apache.org/jira/browse/SPARK-59208?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Szehon Ho resolved SPARK-59208.
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Fix Version/s: 4.4.0
Resolution: Fixed
Issue resolved by pull request 58505
[https://github.com/apache/spark/pull/58505]
> SCD2 Ignore-null support; Introduce ignore-null selection in `ChangeArgs`
> -------------------------------------------------------------------------
>
> Key: SPARK-59208
> URL: https://issues.apache.org/jira/browse/SPARK-59208
> Project: Spark
> Issue Type: Sub-task
> Components: Declarative Pipelines
> Affects Versions: 4.4.0
> Reporter: Anish Mahto
> Assignee: Anish Mahto
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.4.0
>
>
> `ChangeArgs` holds all of the user-specified configurations (arguments) that
> should apply to their AutoCDC flow by execution time.
> Ignore-null is a new AutoCDC argument that allows users to specify a set of
> columns that AutoCDC should treat as unauthored by an event when they receive
> a null-value in that event.
> We need to represent this selection in `ChangeArgs` so that AutoCDC batch
> processors can later reference it, and validate that the columns selected
> indeed exist and are eligible for selection. Ex. a key column or reserved
> AutoCDC column may never be specified as ignore-null.
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