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Decompress to Arrow - #106
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…ms (#11368) ## Summary - Tracking Issue: #11365 - Fixes #11365 Open pooled Hadoop streams with the known file length so S3A versions that honor the hint can avoid redundant metadata HEAD requests. Ports the Hadoop-readable changes from [QC #106](quantcast#106) onto upstream `develop` at `2e1b05b84`. ## Changes - Use `fs.openFile()` with optional known-length and random-read hints; other filesystems may ignore them. - Preserve original asynchronous-open exception types, restore interruption and close any stream produced after an interrupted open. - Add focused tests for supplied/discovered lengths, every pooled stream receiving the options, optional keys, exception identity and late-stream cleanup. Signed-off-by: Christopher Wirt <[email protected]>
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By implementing
flattenfunctions (to convert each array into the set of flat encodings) as well asinto_arrowencodings.FLUP: