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https://issues.apache.org/jira/browse/NIFI-11167?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17702828#comment-17702828
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Daniel Stieglitz commented on NIFI-11167:
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[~exceptionfactory] Thanks for the clarification on that. Another I question I
had is there any issue of the records from each line returned from the Excel
Reader varying in size (i.e. in terms of number of columns and values)? Since I
am streaming I really do not know where the largest line with data is hence
there is no way for me to know how much to pad each record with null column
values.
> 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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