Web12 uur geleden · But the incoming stringlist will be dynamic . How do i convert the string list to spark multiple string fields. I tried this way also but the columns returning null values. resultDataSetJoined.select(col("jsob_blob")), json_tuple(col("jsob_blob")), strList)).toDF().show(); WebThere is a much better way to generate JSON strings: the json module.. import json rs = json.dumps(dict(lst)) This takes advantage of the fact that dict() can take a sequence of key-value pairs (two-value tuples) and turn that into a mapping, which the json module directly translates to a JSON object structure.. Demonstration:
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PySpark Parse JSON from String Column TEXT File
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