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Posted to issues@calcite.apache.org by "Stamatis Zampetakis (Jira)" <ji...@apache.org> on 2021/06/18 08:23:00 UTC

[jira] [Updated] (CALCITE-4655) NullPointerException in JdbcTable.scan

     [ https://issues.apache.org/jira/browse/CALCITE-4655?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stamatis Zampetakis updated CALCITE-4655:
-----------------------------------------
    Fix Version/s:     (was: next)

> NullPointerException in JdbcTable.scan
> --------------------------------------
>
>                 Key: CALCITE-4655
>                 URL: https://issues.apache.org/jira/browse/CALCITE-4655
>             Project: Calcite
>          Issue Type: Improvement
>    Affects Versions: 1.26.0, 1.27.0
>            Reporter: Ulrich Kramer
>            Priority: Major
>
> Calling {{JdbcTable.scan}} will result in a {{NullPointerException}} because inside {{JdbcTable.fieldClasses}}  {{protoRowType}} is null.
> This could easily be fixed by replacing
> {code:java}
>  final RelDataType rowType = requireNonNull(protoRowType, "protoRowType").apply(typeFactory);
> {code}
> with
> {code:java}
>  final RelDataType rowType = getRowType(typeFactory);
> {code}



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