pyspark.sql.functions.concat_ws

pyspark.sql.functions.concat_ws(sep: str, *cols: ColumnOrName) → pyspark.sql.column.Column

Concatenates multiple input string columns together into a single string column, using the given separator.

Examples

>>> df = spark.createDataFrame([('abcd','123')], ['s', 'd'])
>>> df.select(concat_ws('-', df.s, df.d).alias('s')).collect()
[Row(s='abcd-123')]

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