Owen O'Malley created ORC-275:
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Summary: Add ability to use SARG for nested columns
Key: ORC-275
URL: https://issues.apache.org/jira/browse/ORC-275
Project: ORC
Issue Type: Bug
Reporter: Owen O'Malley
It would be great to be able to use SARG to prune based on nested columns. I'd
suggest:
* Adding TypeDescription.findSubtype(String) that looks up a field by name. We
can create virtual field names for list, map, and union types.
* Switch the SARG evaluation to use TypeDescription.findSubtype to find the
relevant column.
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