I understand the percentile function is supported in Hive in the latest 
versions. However, how does once calculate percentiles when the data is across 
two columns. So say -

Value  Count

100 2   ( so basically 100 occurred twice)
200 4
300 1
400 6
500 3


I want to find out the 0.25 percentile for the value distribution. How can I do 
it using the Hive percentile function?


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