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https://issues.apache.org/jira/browse/NIFI-11167?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17791151#comment-17791151
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Daniel Stieglitz edited comment on NIFI-11167 at 11/29/23 3:58 PM:
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[~iiojj2] That is only because I used the infer schema strategy. If you create
a schema you can name the columns however you wish, edit the schema as needed
and modify your SQL query in QueryRecord as needed. With the schema you can
define your columns and their data types. You would still need to skip the
column names with ExcelReader as you will not need the column headers from the
actual data.
was (Author: JIRAUSER294662):
[~iiojj2] That is only because I used the infer schema strategy. If you create
a schema you can name the columns however you wish, edit the schema as needed
and modify your SQL query in QueryRecord as needed.
> 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
> Fix For: 2.0.0-M1, 1.23.0
>
> Attachments: CSVRecordSetWriter_configuration.png,
> ExcelReaderConfiguration.png, QueryRecord_configuration.png, Test
> ExcelReader.xlsx, image-2023-11-28-18-22-07-446.png,
> image-2023-11-29-15-51-08-386.png, resulting.csv, screenshot-1.png
>
> Time Spent: 10h 10m
> Remaining Estimate: 0h
>
> 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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