DataFrame.Coalesce(Int32) Method
Definition
Important
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Returns a new DataFrame that has exactly numPartitions partitions, when the
fewer partitions are requested. If a larger number of partitions is requested,
it will stay at the current number of partitions.
public Microsoft.Spark.Sql.DataFrame Coalesce (int numPartitions);member this.Coalesce : int -> Microsoft.Spark.Sql.DataFramePublic Function Coalesce (numPartitions As Integer) As DataFrameParameters
- numPartitions
- Int32
Number of partitions
Returns
DataFrame object