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https://issues.apache.org/jira/browse/CALCITE-2646?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ted Xu resolved CALCITE-2646.
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Resolution: Duplicate
> Support nullable struct type
> ----------------------------
>
> Key: CALCITE-2646
> URL: https://issues.apache.org/jira/browse/CALCITE-2646
> Project: Calcite
> Issue Type: Bug
> Reporter: Ted Xu
> Assignee: Julian Hyde
> Priority: Major
>
> The struct type (or RelRecordType) is hard coded NOT nullable, which lead
> exception thrown when invoking:
> {{RexBuilder.makeLiteral(null, structType);}}
> The exception looks like following:
> java.lang.IllegalArgumentException
> at
> com.google.common.base.Preconditions.checkArgument(Preconditions.java:108)
> at org.apache.calcite.rex.RexLiteral.<init>(RexLiteral.java:217)
>
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