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https://issues.apache.org/jira/browse/SPARK-47746?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jungtaek Lim resolved SPARK-47746.
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Fix Version/s: 4.0.0
Resolution: Fixed
Issue resolved by pull request 45905
[https://github.com/apache/spark/pull/45905]
> Use column ordinals instead of prefix ordering columns in the range scan
> encoder
> --------------------------------------------------------------------------------
>
> Key: SPARK-47746
> URL: https://issues.apache.org/jira/browse/SPARK-47746
> Project: Spark
> Issue Type: Improvement
> Components: Structured Streaming
> Affects Versions: 4.0.0
> Reporter: Neil Ramaswamy
> Assignee: Neil Ramaswamy
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.0.0
>
>
> Currently, the State V2 implementations do projections in their state
> managers, and then provide some prefix (ordering) columns to the
> RocksDBStateEncoder. However, we can avoid doing extra projection by just
> reading the ordinals we need, in the order we need, in the state encoder.
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