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https://issues.apache.org/jira/browse/NIFI-14106?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17907960#comment-17907960
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Daniel Stieglitz commented on NIFI-14106:
-----------------------------------------
Must determine if the fix for NIFI-13726 is causing this as cell styles are no
longer copied.
> 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 its schema is
> {code:java}
> {"type":"record","name":"nifiRecord","namespace":"org.apache.nifi","fields":[{"name":"transaction_id","type":["long","null"]},{"name":"transaction_date","type":[{"type":"int","logicalType":"date"},"null"]},{"name":"transaction_time","type":[{"type":"int","logicalType":"time-millis"},"null"]}]}{code}
> while 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}
> and its schema is
> {code:java}
> {"type":"record","name":"nifiRecord","namespace":"org.apache.nifi","fields":[{"name":"transaction_id","type":["long","null"]},{"name":"transaction_date","type":["long","null"]},{"name":"transaction_time","type":["long","null"]}]}{code}
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