DataFrame.Collect Method
Definition
Important
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Returns an array that contains all rows in this DataFrame.
public System.Collections.Generic.IEnumerable<Microsoft.Spark.Sql.Row> Collect ();member this.Collect : unit -> seq<Microsoft.Spark.Sql.Row>Public Function Collect () As IEnumerable(Of Row)Returns
Row objects
Remarks
This requires moving all the data into the application's driver process, and doing so on a very large dataset can crash the driver process with OutOfMemoryError.
Applies to
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