Pyspark Display Top 10. I want to select for each listner I need to take top 10 timestamp
I want to select for each listner I need to take top 10 timestamp values. The original code is available here: https://github. show(5) takes a very long time. And what I want is to group by user_id, and in each group, retrieve the first two records with highest score separately, not only the first records. """Returns the first ``n`` rows. Syntax I'm using PySpark (Python 2. Window function is required to maintain consistent sorting with pyspark in most cases Dec 7, 2019 ยท What I'm trying to do is sum up the second column and group by the first column, then derive the top 10 keys with the highest values. In general, this clause is used in conjunction with ORDER BY to ensure that the results are deterministic. show(5,truncate=False) this will display the full content of the first five rows. It returns the list sorted in descending order.
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