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From GitBox <...@apache.org>
Subject [GitHub] [incubator-superset] KKcorps opened a new pull request #8271: Fix: Missing time series datapoints in druid show up as absurd values in line chart
Date Fri, 20 Sep 2019 18:16:32 GMT
KKcorps opened a new pull request #8271: Fix: Missing time series datapoints in druid show
up as absurd values in line chart
URL: https://github.com/apache/incubator-superset/pull/8271
 
 
   ### CATEGORY
   
   Choose one
   
   - [X] Bug Fix
   - [ ] Enhancement (new features, refinement)
   - [ ] Refactor
   - [ ] Add tests
   - [ ] Build / Development Environment
   - [ ] Documentation
   
   ### SUMMARY
   When a time series query is passed on to druid, if skipEmptyBuckets is not set to True,
druid  will fill the missing time buckets in the interval with the default value of the aggregators.
This leads to absurd values showing up in the time series line or bar charts such as -9223372036854775808
(which is Long.MIN_VALUE in Java) if you do a MAX aggregation on Long metric and 9223372036854775807
if you do a MIN aggregation on Long metric. SUM aggregation returns a default of 0.0 
   Such large values completely distort the chart.

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