[jira] [Created] (ARROW-10222) [C++] Add FileSystem::MakeUri() to serialize file locations to URIs

["Ben Kietzman (Jira)" <ji...@apache.org>]

Ben Kietzman created ARROW-10222:
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             Summary: [C++] Add FileSystem::MakeUri() to serialize file locations to URIs
                 Key: ARROW-10222
                 URL: https://issues.apache.org/jira/browse/ARROW-10222
             Project: Apache Arrow
          Issue Type: Improvement
          Components: C++
    Affects Versions: 1.0.1
            Reporter: Ben Kietzman
            Assignee: Antoine Pitrou
             Fix For: 3.0.0


Making the transform FS -> URI bijective would greatly simplify unambiguous location of files and serialization of filesystems. Something like:

{code}
Result<std::string> FileSystem::MakeUri(std::string path = "/");
{code}

Difficulties:
-  SubTreeFileSystem::MakeUri("/") would probably return a URI referring to its base directory in the wrapped filesystem, which wouldn't roundtrip to a SubTreeFileSystem with FileSystemFromUri
- Not all of s3's parameters are supported in a URI



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