While reading a JSON file with dictionary data, PySpark by default infers the dictionary ( Dict ) data and create a DataFrame with MapType column, Note that ...
pyspark-create-dictionary
The following code snippets directly create the data frame using SparkSession.createDataFrame function. Code snippet. from pyspark.sql import SparkSession .... Sep 13, 2019 — First we need to parse the JSON string into python dictionary and than we can use StructType.fromJSON to create StructType object. import json. When schema is pyspark.sql.types.DataType ... Create a DataFrame with single pyspark.sql.types. ... like attributes ( row.key ); like dictionary values ( row[key] ). 3925e8d270
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