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https://issues.apache.org/jira/browse/SPARK-50133?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xinrong Meng updated SPARK-50133:
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Summary: Support DataFrame conversion to table argument in Spark Connect
Python Client (was: Support DataFrame conversion to table argument in Spark
Classic)
> Support DataFrame conversion to table argument in Spark Connect Python Client
> -----------------------------------------------------------------------------
>
> Key: SPARK-50133
> URL: https://issues.apache.org/jira/browse/SPARK-50133
> Project: Spark
> Issue Type: Sub-task
> Components: PySpark, SQL
> Affects Versions: 4.0.0
> Reporter: Takuya Ueshin
> Priority: Major
> Labels: pull-request-available
>
> We want to implement a function df.table_argument() (the name can be
> discussed further), which returns a Column object. This Column can then be
> passed as input to call a User-Defined Table Function (UDTF). For example:
>
> {{@udtf(returnType="a: int")}}
> {{class TestUDTF:}}
> {{ def eval(self, row: Row):}}
> {{ if row[0] > 5:}}
> {{ yield row[0]}}
> {{TestUDTF(df.table_agument())}}
>
> The df.table_argument() function might also take additional parameters, such
> as:
> * partition_by: Specifies how the data should be partitioned for processing.
> * order_by: Defines the order within each partition.
>
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