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Posted to issues@drill.apache.org by "PJ Fanning (Jira)" <ji...@apache.org> on 2021/12/27 13:28:00 UTC

[jira] [Created] (DRILL-8095) format-excel reader should ignore cell styles

PJ Fanning created DRILL-8095:
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             Summary: format-excel reader should ignore cell styles
                 Key: DRILL-8095
                 URL: https://issues.apache.org/jira/browse/DRILL-8095
             Project: Apache Drill
          Issue Type: Improvement
          Components: Execution - Data Types
            Reporter: PJ Fanning


I've recently added a feature to excel-streaming-reader (in v3.3.0) to optionally ignore cell style information. This is not enabled by default. It saves memory and processing time to ignore the cell styles.

The current Drill format-excel code does not use the cell styles.

At some point in the future, it may be worth having a Drill feature that allows it to infer the schema for the sheet based on the cell styles but until such a feature is added, the parsing the cell styles is a waste of compute resources.



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