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Posted to issues@arrow.apache.org by "Tobias Zagorni (Jira)" <ji...@apache.org> on 2022/07/09 01:22:00 UTC
[jira] [Created] (ARROW-17029) [Docs][C++] Guide to to work with RLE data (in kernels?)
Tobias Zagorni created ARROW-17029:
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Summary: [Docs][C++] Guide to to work with RLE data (in kernels?)
Key: ARROW-17029
URL: https://issues.apache.org/jira/browse/ARROW-17029
Project: Apache Arrow
Issue Type: Sub-task
Components: C++, Documentation
Reporter: Tobias Zagorni
Topics I can think of right now: * introducing some utility functions for working with RLE data that I'm collecting currently as rle_util.h on my filter branch
* how physical/logical indices work, especially in combination with arrow offsets
* how common kinds of kernels can be converted to RLE. E.g scalar kernels with a single input could automatically be run on the internal data array of RLE. Scalar with multiple inputs and some kinds of vector algorithms should use VisitMergedRuns...
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