[jira] [Updated] (SPARK-24306) Sort a Dataset with a lambda (like RDD.sortBy)
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https://issues.apache.org/jira/browse/SPARK-24306?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Al M updated SPARK-24306:
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Summary: Sort a Dataset with a lambda (like RDD.sortBy) (was: Sort a
Dataset with a lambda (like RDD.sortBy() ))
> Sort a Dataset with a lambda (like RDD.sortBy)
> --
>
> Key: SPARK-24306
> URL: https://issues.apache.org/jira/browse/SPARK-24306
> Project: Spark
> Issue Type: Improvement
> Components: SQL
>Affects Versions: 2.3.0
>Reporter: Al M
>Priority: Minor
>
> Dataset has many useful functions that do not require hard coded column names
> (e.g. flatMapGroups, map). Currently the sort() function requires us to pass
> the column name as a string.
> It would be nice to have a function similar to the sortBy in RDD where i can
> define the keys in a lambda e.g.
> {code:java}
> ds.sortBy(record => record.id){code}
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[jira] [Updated] (SPARK-24306) Sort a Dataset with a lambda (like RDD.sortBy() )
[
https://issues.apache.org/jira/browse/SPARK-24306?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Al M updated SPARK-24306:
-
Summary: Sort a Dataset with a lambda (like RDD.sortBy() ) (was: Sort a
Dataset with a lambda (like RDD.sortBy())
> Sort a Dataset with a lambda (like RDD.sortBy() )
> -
>
> Key: SPARK-24306
> URL: https://issues.apache.org/jira/browse/SPARK-24306
> Project: Spark
> Issue Type: Improvement
> Components: SQL
>Affects Versions: 2.3.0
>Reporter: Al M
>Priority: Minor
>
> Dataset has many useful functions that do not require hard coded column names
> (e.g. flatMapGroups, map). Currently the sort() function requires us to pass
> the column name as a string.
> It would be nice to have a function similar to the sortBy in RDD where i can
> define the keys in a lambda e.g.
> {code:java}
> ds.sortBy(record => record.id){code}
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