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https://issues.apache.org/jira/browse/DRILL-6759?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16635518#comment-16635518
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Arina Ielchiieva commented on DRILL-6759:
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Agree, especially when {{select COLUMNS from `yourFile.csv`}} currently
succeeds.
> CSV 'columns' array is incorrectly case sensitive
> -------------------------------------------------
>
> Key: DRILL-6759
> URL: https://issues.apache.org/jira/browse/DRILL-6759
> Project: Apache Drill
> Issue Type: Bug
> Affects Versions: 1.14.0
> Reporter: Paul Rogers
> Priority: Minor
> Fix For: 1.15.0
>
>
> Perform the following query on a CSV file without column headers:
> {noformat}
> SELECT columns[0] FROM `yourFile.csv`
> {noformat}
> In Drill, column names are supposed to be case insensitive. So, let's try
> upper case:
> {noformat}
> SELECT COLUMNS[0] FROM `yourFile.csv`;
> Error: DATA_READ ERROR: Selected column 'COLUMNS' must have name 'columns' or
> must be plain '*'
> {noformat}
> Expected {{`columns`}} to be case insensitive like other CSV columns and SQL
> keywords.
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