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https://issues.apache.org/jira/browse/DRILL-1391?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jinfeng Ni updated DRILL-1391:
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Attachment: 0001-DRILL-1391-Fix-compilation-error-in-run-time-generat.patch
> Some math functions on decimal type may cause compilation error in run-time
> generated code.
> --------------------------------------------------------------------------------------------
>
> Key: DRILL-1391
> URL: https://issues.apache.org/jira/browse/DRILL-1391
> Project: Apache Drill
> Issue Type: Bug
> Reporter: Jinfeng Ni
> Assignee: Jinfeng Ni
> Attachments:
> 0001-DRILL-1391-Fix-compilation-error-in-run-time-generat.patch
>
>
> If a query has an expression like the following :
> log((cast(DEC18 as decimal18(18, 9))))
> Drill will hit an compilation error in the run-time generated code.
> org.apache.drill.exec.rpc.RpcException: Screen received stop request sent.
> Line 189, Column 35: Cannot determine simple type name "BigDecimal"
> [32dbdc99-a688-45c6-aa8f-50506be4730d].
> The complained code is :
> 188: ExtendedMathFunctions$LogDecimal18_eval: {
> 189: double dblval = new
> BigDecimal(in.value).setScale(in.scale).doubleValue();
> 190:
> 191: out.value = java.lang.Math.log(dblval);
> 192: }
> The reason of this compilation error is that the function template for those
> math functions miss fully qualifying the type of "BigDecimal", causing this
> compilation error.
>
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