Ashutosh Chauhan created HIVE-18711:
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Summary: Add percentile_cont and percentile_disc udaf
Key: HIVE-18711
URL: https://issues.apache.org/jira/browse/HIVE-18711
Project: Hive
Issue Type: Bug
Components: UDF
Reporter: Ashutosh Chauhan
Most common way to implement this is via ordered aggregate which allows users
to specify sort specification with group by clause. Some implementations also
allow to use these with window functions.
Since Hive doesn't have concept of ordered aggregates yet, one possibility is
to support these only for window functions where sort specification is also
taken from window clause.
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