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Posted to dev@carbondata.apache.org by "Gin-zhj (JIRA)" <ji...@apache.org> on 2016/07/13 08:43:20 UTC
[jira] [Updated] (CARBONDATA-52) query average value of bigInt
filed, the query result is inaccurate
[ https://issues.apache.org/jira/browse/CARBONDATA-52?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Gin-zhj updated CARBONDATA-52:
------------------------------
Description:
when query average value of bigInt filed "column1",
if the value of "sum(column1)/count(column1)" is double type with decimal,
the result of avg(column1) is inaccurate, it lost precision.
was:
when query average value of bigInt filed "x",
if the value of "sum(x)/count(x)" is double type with decimal,
the result of avg(x) is inaccurate, it lost precision.
> query average value of bigInt filed, the query result is inaccurate
> --------------------------------------------------------------------
>
> Key: CARBONDATA-52
> URL: https://issues.apache.org/jira/browse/CARBONDATA-52
> Project: CarbonData
> Issue Type: Bug
> Reporter: Gin-zhj
> Assignee: Gin-zhj
> Priority: Minor
>
> when query average value of bigInt filed "column1",
> if the value of "sum(column1)/count(column1)" is double type with decimal,
> the result of avg(column1) is inaccurate, it lost precision.
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