BACtaki opened a new pull request, #1734:
URL: https://github.com/apache/systemds/pull/1734
This patch adds support for running MULTI_BLOCK aggregations for
countDistinct() builtin on the Spark backend. The implementation augments the
CountDistinctFunctionSketch with the union() function implementation.
Tests:
[X] Unit tests
[ ] Integration tests
[ ] N/A
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