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  1. Spark
  2. SPARK-17881

Aggregation function for generating string histograms

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Details

    • New Feature
    • Status: Closed
    • Major
    • Resolution: Duplicate
    • 2.1.0
    • None
    • SQL
    • None

    Description

      This agg function generates equi-width histograms for string type columns, with a maximum number of histogram bins. It returns a empty result if the ndv(number of distinct value) of the column exceeds the maximum number allowed.

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          is part of

          Sub-task - The sub-task of the issue SPARK-17074 generate equi-height histogram for column

          • Major - Major loss of function.
          • Resolved
          links to

          Pull request #15443 [Github] Pull Request #15443 (wzhfy)

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              Unassigned Unassigned
              ZenWzh Zhenhua Wang
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              Dates

                Created:
                Updated:
                Resolved: