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Distinct aggregate function resolution #4

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liancheng opened this issue Apr 21, 2016 · 0 comments
Open

Distinct aggregate function resolution #4

liancheng opened this issue Apr 21, 2016 · 0 comments
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@liancheng
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@liancheng
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Similar to the DistinctAggregationRewriter in Spark, used to resolve multiple distinct aggregate functions within a single SELECT query. E.g.:

SELECT
  SUM(a),
  COUNT(DISTINCT b),
  COUNT(DISTINCT c)
FROM t
GROUP BY d
@liancheng liancheng self-assigned this Apr 21, 2016
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@liancheng liancheng

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@liancheng