[CALCITE-2101] Druid adapter: Push count(column) using Druid filtered aggregate - ASF JIRA

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Details

Type: Bug
Status: Closed
Priority: Major
Resolution: Fixed
Affects Version/s: None
Fix Version/s: 1.16.0
Component/s: druid-adapter
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Description

We can make use of newly added filtered aggregate (ie org.apache.calcite.adapter.druid.DruidQuery.JsonFilteredAggregation) and push down Count(column) as

 Count(*) where column is not Null

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Assignee:: Slim Bouguerra

Reporter:: Slim Bouguerra

Votes:: 0 Vote for this issue

Watchers:: 3 Start watching this issue

Dates

Created:: 19/Dec/17 21:41

Updated:: 17/Mar/18 17:43

Resolved:: 20/Dec/17 21:20

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Druid adapter: Push count(column) using Druid filtered aggregate