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Posted to issues@nifi.apache.org by "Daniel Stieglitz (Jira)" <ji...@apache.org> on 2023/03/17 18:51:00 UTC

[jira] [Commented] (NIFI-11167) Add Excel Record Reader

    [ https://issues.apache.org/jira/browse/NIFI-11167?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17701945#comment-17701945 ] 

Daniel Stieglitz commented on NIFI-11167:
-----------------------------------------

[~exceptionfactory] You had mentioned in the requirement
{quote}
Additional input filtering properties should not be implemented as existing Processors like QueryRecord support a wide variety of filtering and projection use cases.
{quote}

I see it is possible to have a row in Excel with all null values. Should that be returned as a record or should I automatically  filter that out?

> Add Excel Record Reader
> -----------------------
>
>                 Key: NIFI-11167
>                 URL: https://issues.apache.org/jira/browse/NIFI-11167
>             Project: Apache NiFi
>          Issue Type: New Feature
>          Components: Extensions
>            Reporter: David Handermann
>            Assignee: Daniel Stieglitz
>            Priority: Minor
>
> A new Excel Record Reader should be implemented to support reading XSLX spreadsheet rows as NiFi Records. This Reader will enable integration with various record-oriented components, obviating the need for the narrowly focused ConvertExcelToCSVProcessor. The initial version of the Excel Reader should not support the legacy binary XLS format.
> The ExcelReader should use a library that supports reading from a stream of rows to avoid consuming large amounts of heap memory during processing.
> The ExcelReader should support configurable properties to read selected sheets. With Excel supporting typed field values, some amount of field type mapping will be required. Additional input filtering properties should not be implemented as existing Processors like QueryRecord support a wide variety of filtering and projection use cases.



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