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https://issues.apache.org/jira/browse/SPARK-23784?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon updated SPARK-23784:
---------------------------------
Component/s: (was: Project Infra)
SQL
> Cannot use custom Aggregator with groupBy/agg
> ----------------------------------------------
>
> Key: SPARK-23784
> URL: https://issues.apache.org/jira/browse/SPARK-23784
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.3.0
> Reporter: Joshua Howard
> Priority: Major
>
> {{I have code
> [here|[https://stackoverflow.com/questions/49440766/trouble-getting-spark-aggregators-to-work],]
> where I am trying to use an Aggregator with both the `select` and `agg`
> functions. I cannot seem to get this to work in Spark 2.3.0.
> [Here|https://docs.cloud.databricks.com/docs/spark/1.6/examples/Dataset%20Aggregator.html]
> is a blog post that appears to be using this functionality in Spark 1.6, but
> It appears to no longer work. }}
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