[jira] [Updated] (CALCITE-1661) Support aggregation functions on DECIMAL in DruidAdapter

["Jesus Camacho Rodriguez (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CALCITE-1661?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jesus Camacho Rodriguez updated CALCITE-1661:
---------------------------------------------
    Summary: Support aggregation functions on DECIMAL in DruidAdapter  (was: Recognize aggregation function types as FRACTIONAL instead of DOUBLE)

> Support aggregation functions on DECIMAL in DruidAdapter
> --------------------------------------------------------
>
>                 Key: CALCITE-1661
>                 URL: https://issues.apache.org/jira/browse/CALCITE-1661
>             Project: Calcite
>          Issue Type: Bug
>          Components: druid
>    Affects Versions: 1.12.0
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Jesus Camacho Rodriguez
>             Fix For: 1.12.0
>
>
> Currently, whether to use fractional or integer aggregations is based on following code (L699 in DruidQuery.java).
> {code}
> final boolean b = aggCall.getType().getSqlTypeName() == SqlTypeName.DOUBLE;
> {code}
> Since Hive might use other fractional types for the aggregation, we might end up using the wrong type of aggregation in Druid. We could extend the check as follows:
> {code}
> final boolean b = SqlTypeName.FRACTIONAL_TYPES.contains(aggCall.getType().getSqlTypeName());
> {code}



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