pyspark.sql.functions.repeat#

pyspark.sql.functions.repeat(col, n)[source]#

Repeats a string column n times, and returns it as a new string column.

New in version 1.5.0.

Changed in version 3.4.0: Supports Spark Connect.

Parameters

colColumn or str: target column to work on.
nColumn or str or int: number of times to repeat value.

Changed in version 4.0.0: n now accepts column and column name.

Returns

Column: string with repeated values.

Examples

>>> import pyspark.sql.functions as sf
>>> spark.createDataFrame(
...     [('ab',)], ['s',]
... ).select(sf.repeat("s", 3)).show()
+------------+
|repeat(s, 3)|
+------------+
|      ababab|
+------------+

>>> import pyspark.sql.functions as sf
>>> spark.createDataFrame(
...     [('ab',)], ['s',]
... ).select(sf.repeat("s", sf.lit(4))).show()
+------------+
|repeat(s, 4)|
+------------+
|    abababab|
+------------+

>>> import pyspark.sql.functions as sf
>>> spark.createDataFrame(
...     [('ab', 5,)], ['s', 't']
... ).select(sf.repeat("s", 't')).show()
+------------+
|repeat(s, t)|
+------------+
|  ababababab|
+------------+