Xiao Li created SPARK-23084:
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Summary: Add unboundedPreceding(), unboundedFollowing() and
currentRow() to PySpark
Key: SPARK-23084
URL: https://issues.apache.org/jira/browse/SPARK-23084
Project: Spark
Issue Type: Improvement
Components: PySpark
Affects Versions: 2.3.0
Environment: Add the new APIs (introduced by
https://github.com/apache/spark/pull/18814) to PySpark
{noformat}
/**
* Window function: returns the special frame boundary that represents the
first row in the
* window partition.
*
* @group window_funcs
* @since 2.3.0
*/
def unboundedPreceding(): Column = Column(UnboundedPreceding)
/**
* Window function: returns the special frame boundary that represents the last
row in the
* window partition.
*
* @group window_funcs
* @since 2.3.0
*/
def unboundedFollowing(): Column = Column(UnboundedFollowing)
/**
* Window function: returns the special frame boundary that represents the
current row in the
* window partition.
*
* @group window_funcs
* @since 2.3.0
*/
def currentRow(): Column = Column(CurrentRow)
{noformat}
Reporter: Xiao Li
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