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read_stream-write_stream-json

mbruns
Jun 10th, 2022
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  1. spark
  2.   .readStream
  3.   .select($"value".cast("string").alias("jsonData"))
  4.   .select(from_json($"jsonData",jsonSchema).alias("payload"))
  5.   .writeStream
  6.   .trigger("1 seconds")
  7.   .start()
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