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https://issues.apache.org/jira/browse/NIFI-14106?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Daniel Stieglitz updated NIFI-14106:
------------------------------------
    Attachment: fileWithIssue.xlsx

> Loss of precision when running Excel with Dates in SplitExcel
> -------------------------------------------------------------
>
>                 Key: NIFI-14106
>                 URL: https://issues.apache.org/jira/browse/NIFI-14106
>             Project: Apache NiFi
>          Issue Type: Bug
>            Reporter: Daniel Stieglitz
>            Priority: Major
>         Attachments: fileWithIssue.xlsx
>
>
> The SplitExcel processor seems to be dropping date format information in 
> order to correctly determine dates and times.
> I set up two flows sending the attached file to both:
> Flow without SplitExcel
> GetFile -> ConvertRecord (configured with ExcelReader with Schema Access 
> Strategy 'Use Starting Row' and CSVRecordSetWriter (configured with Schema 
> Access Strategy 'Inherit Record Schema', Date Format MM/dd/yyyy, Time Format 
> HH:mm:ss and Timestamp Format MM/dd/yyyy'T'hh:mm:ss)
>  
> Flow with SplitExcel
> GetFile -> SplitExcel -> ConvertRecord (configured with ExcelReader with 
> Schema Access Strategy 'Use Starting Row' and CSVRecordSetWriter (configured 
> with Schema Access Strategy 'Inherit Record Schema', Date Format MM/dd/yyyy, 
> Time Format HH:mm:ss and Timestamp Format MM/dd/yyyy'T'hh:mm:ss)
>  
> The contents from the flow without SplitExcel is
> {code:java}
> transaction_id,transaction_date,transaction_time
> 75,01/01/2023,09:53:44
> 78,01/01/2023,09:55:16
> 80,01/01/2023,10:00:39
> 81,01/01/2023,10:03:55
> 82,01/01/2023,10:14:49{code}
>  
> and the contents from the flow with SplitExcel is
> {code:java}
> transaction_id,transaction_date,transaction_time
> 75,44927,-1
> 78,44927,-1
> 80,44927,-1
> 81,44927,-1
> 82,44927,-1{code}
>  



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