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Posted to issues@calcite.apache.org by "Stamatis Zampetakis (JIRA)" <ji...@apache.org> on 2019/02/22 14:31:00 UTC
[jira] [Updated] (CALCITE-2677) Struct types with one field are not
mapped correctly to Java Classes
[ https://issues.apache.org/jira/browse/CALCITE-2677?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Stamatis Zampetakis updated CALCITE-2677:
-----------------------------------------
Fix Version/s: 1.19.0
> Struct types with one field are not mapped correctly to Java Classes
> --------------------------------------------------------------------
>
> Key: CALCITE-2677
> URL: https://issues.apache.org/jira/browse/CALCITE-2677
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.17.0
> Reporter: Stamatis Zampetakis
> Assignee: Stamatis Zampetakis
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.19.0
>
>
> There are various places in the code where given a RelDataType we need to obtain the respective Java Class/Type. This is done mainly through JavaTypeFactory#getJavaClass. For the Calcite runtime it passes through PhysType#fieldClass and PhysType#getJavaFieldType.
> However, when the RelDataType is a struct of one field the returned Class/Type is not the correct one since the struct type is simplified to the type of its component.
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