'Spark: Find country by geographical coordinates
I have a spark dataframe created in Scala that contains geographical coordinates. I have to add column with country basing on this this geographical coordinates. I found some Python tools but as far as I know I can t use it in Scala code. Also I am not sure about efficiency if I have to process every row one by one by udf (it s about 50000 rows). Do you know how can I process this in the fastest possible way?
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