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Description
This PR improves the FILE_PATH canonicalization logic by avoiding calling expensive
Path.toUri.toString
calls for each row in a table. Canonicalized paths are now cached and the UDF just needs to look it up.Future improvement is possible for handling huge logs: build
canonicalizedPathMap
in a distributed way.Related PR target the 2.4 branch: #1829.
How was this patch tested?
Existing tests.