pyspark.sql.functions.concat_ws¶
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pyspark.sql.functions.concat_ws(sep, *cols)[source]¶ Concatenates multiple input string columns together into a single string column, using the given separator.
New in version 1.5.0.
Examples
>>> df = spark.createDataFrame([('abcd','123')], ['s', 'd']) >>> df.select(concat_ws('-', df.s, df.d).alias('s')).collect() [Row(s='abcd-123')]