20. StructType & StructField in PySpark | Pyspark Tutorial

#spark #pyspark #dataengineering

In this video, I discussed about StructType() and StructFiled() Classes to create schema for dataframe.

The StructType and StructField classes in PySpark are used to specify the custom schema to the DataFrame and create complex columns like nested struct, array, and map columns. StructType is a collection of StructField objects that define column name, column data type, boolean to specify if the field can be nullable or not, and metadata.

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data = [(1,'manish','usa'),(2,'mani','usa'),(1,'nish','usa')]
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what we have covered in this video:


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