pyspark.sql.functions.bucket¶
-
pyspark.sql.functions.
bucket
(numBuckets: Union[pyspark.sql.column.Column, int], col: ColumnOrName) → pyspark.sql.column.Column[source]¶ Partition transform function: A transform for any type that partitions by a hash of the input column.
New in version 3.1.0.
Changed in version 3.4.0: Supports Spark Connect.
- Parameters
- col
Column
or str target date or timestamp column to work on.
- col
- Returns
Column
data partitioned by given columns.
Notes
This function can be used only in combination with
partitionedBy()
method of the DataFrameWriterV2.Examples
>>> df.writeTo("catalog.db.table").partitionedBy( ... bucket(42, "ts") ... ).createOrReplace()