Functions.UnboundedPreceding Method
Definition
Important
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Window function: returns the special frame boundary that represents the first row in the window partition.
[Microsoft.Spark.Deprecated("2.4.0")]
[Microsoft.Spark.Removed("3.0.0")]
public static Microsoft.Spark.Sql.Column UnboundedPreceding();
[<Microsoft.Spark.Deprecated("2.4.0")>]
[<Microsoft.Spark.Removed("3.0.0")>]
static member UnboundedPreceding : unit -> Microsoft.Spark.Sql.Column
Public Shared Function UnboundedPreceding () As Column
Returns
Column object
- Attributes
Remarks
This API is deprecated in Spark 2.4 and removed in Spark 3.0.