pyspark.sql.Column.isNull¶
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Column.isNull() → pyspark.sql.column.Column¶ True if the current expression is null.
Examples
>>> from pyspark.sql import Row >>> df = spark.createDataFrame([Row(name='Tom', height=80), Row(name='Alice', height=None)]) >>> df.filter(df.height.isNull()).collect() [Row(name='Alice', height=None)]