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https://issues.apache.org/jira/browse/CALCITE-7454?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18069711#comment-18069711
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Magnus Mogren commented on CALCITE-7454:
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??I see. You're calling the method
[RelDataTypeSystem.isCaseSensitive(SqlTypeName)|https://calcite.apache.org/javadocAggregate/org/apache/calcite/rel/type/RelDataTypeSystem.html#isCaseSensitive(org.apache.calcite.sql.type.SqlTypeName)].??
No i am not explicitly calling that method.
I created a RelDataTypeSystem implementation that always returns false for the
isCaseSensitive method and specified that that class should be used when
connecting to a CSV data source.
> CSV adapter does not respect case sensitive setting
> ---------------------------------------------------
>
> Key: CALCITE-7454
> URL: https://issues.apache.org/jira/browse/CALCITE-7454
> Project: Calcite
> Issue Type: Bug
> Components: csv-adapter
> Affects Versions: 1.41.0
> Reporter: Magnus Mogren
> Assignee: krooswu
> Priority: Major
>
> The CSV adapter does not respect the case sensitive setting.
> I have tried to use a RelDataTypeSystem class that returns false for the
> method isCaseSensitive.
> I have tried both flavor FILTERABLE and SCANNABLE.
>
> I looked att the code for org.apache.calcite.adapter.file.CsvEnumerator and
> the method moveNext() always compares to the filterValue using equals.
> Guess it should do equalsIgnoreCase if case sensitivity is turned off.
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