realno opened a new pull request #1729:
URL: https://github.com/apache/arrow-datafusion/pull/1729
# Which issue does this PR close?
Closes #1486 .
# Rationale for this change
Add the median operator, this should close #1486 and unblock the perf test
work.
The current implementation uses `approx_percentile_cont` under the hood. We
can look into implement the "exact" version later. More discussions around this
can be found in the issue.
# What changes are included in this PR?
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There is no need to duplicate the description in the issue here but it is
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# Are there any user-facing changes?
No change to existing APIs. New `median` operator added.
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