pyspark.sql.functions.format_string

pyspark.sql.functions.format_string(format, *cols)[source]

Formats the arguments in printf-style and returns the result as a string column.

Parameters

  • format – string that can contain embedded format tags and used as result column’s value

  • cols – list of column names (string) or list of Column expressions to be used in formatting

>>> df = spark.createDataFrame([(5, "hello")], ['a', 'b'])
>>> df.select(format_string('%d %s', df.a, df.b).alias('v')).collect()
[Row(v='5 hello')]

New in version 1.5.

pyspark.sql.functions.format_number pyspark.sql.functions.from_csv