pyspark.sql.Column.withField¶
-
Column.
withField
(fieldName, col)[source]¶ An expression that adds/replaces a field in
StructType
by name.New in version 3.1.0.
Examples
>>> from pyspark.sql import Row >>> from pyspark.sql.functions import lit >>> df = spark.createDataFrame([Row(a=Row(b=1, c=2))]) >>> df.withColumn('a', df['a'].withField('b', lit(3))).select('a.b').show() +---+ | b| +---+ | 3| +---+ >>> df.withColumn('a', df['a'].withField('d', lit(4))).select('a.d').show() +---+ | d| +---+ | 4| +---+