Description
Column name matching while schema evolution should be case unaware or can be controlled with config.
Reader schema passed by hive are all small cases and if the column name stored in the file has any uppercase, it will return null values for those columns even if the data is present in the file.
Attachments
Issue Links
- is duplicated by
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ORC-502 Hive ORC read INT, BIGINT as NULL for Data created by Spark
- Closed
- links to