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https://issues.apache.org/jira/browse/DRILL-744?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14025603#comment-14025603
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Venki Korukanti commented on DRILL-744:
---------------------------------------
Duplicate of DRILL-699
> Functions should be case insensitive
> ------------------------------------
>
> Key: DRILL-744
> URL: https://issues.apache.org/jira/browse/DRILL-744
> Project: Apache Drill
> Issue Type: Bug
> Components: Functions - Drill
> Reporter: Krystal
> Assignee: Venki Korukanti
>
> If the function names are in upper case, the query fails. For example:
> 0: jdbc:drill:schema=dfs> select to_date('2003/07/09', 'yyyy/MM/dd') from
> voter where voter_id=10;
> +------------+
> | EXPR$0 |
> +------------+
> | 2003-07-09T00:00:00.000-07:00 |
> +------------+
> Same query with function name in uppercase:
> select TO_DATE('2003/07/09', 'yyyy/MM/dd') from voter where voter_id=10;
> message: "Failure while parsing sql. < ValidationException:[
> org.eigenbase.util.EigenbaseContextException: From line 1, column 8 to line
> 1, column 42 ] < EigenbaseContextException:[ From line 1, column 8 to line 1,
> column 42 ] < SqlValidatorException:[ No match found for function signature
> TO_DATE(<CHARACTER>, <CHARACTER>) ]"
> ]
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