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https://issues.apache.org/jira/browse/CALCITE-4214?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17189692#comment-17189692
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Vladimir Sitnikov commented on CALCITE-4214:
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Just a note: I think I would keep the existing
{{org.apache.calcite.rel.type.RelDataTypeImpl#getSqlTypeName}} method even
though it is {{return null}}.
For now, I add javadoc that sub-classes must override the method (which is
always the case for the current core)
> Make RelDataType.getSqlTypeName non-nullable
> --------------------------------------------
>
> Key: CALCITE-4214
> URL: https://issues.apache.org/jira/browse/CALCITE-4214
> Project: Calcite
> Issue Type: Sub-task
> Components: core
> Affects Versions: 1.25.0
> Reporter: Vladimir Sitnikov
> Priority: Major
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> The code treated RelDataType.getSqlTypeName as non-nullable, so we need to
> update the javadoc and deal with abstract implementation that returns null.
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