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https://issues.apache.org/jira/browse/SPARK-37307?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Huaxin Gao resolved SPARK-37307.
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Fix Version/s: 3.2.1
3.3.0
Assignee: Sean R. Owen
Resolution: Fixed
> Don't obtain JDBC connection for empty partition
> ------------------------------------------------
>
> Key: SPARK-37307
> URL: https://issues.apache.org/jira/browse/SPARK-37307
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 3.2.0
> Reporter: Sean R. Owen
> Assignee: Sean R. Owen
> Priority: Minor
> Fix For: 3.2.1, 3.3.0
>
>
> In JdbcUtils.scala:savePartition, the code obtains a database connection even
> when there is no data in the partition. It works correctly and returns it,
> but, may be advantageous to simply skip that and other overhead if nothing
> will be written at all.
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