Hello, What is the current thinking around allowing the logical content of a parquet file to be split across multiple files? I see that in theory there is support for reading files where different row groups are in separate files but I cannot see any features that allow that for writing.
On a somewhat related note, what are the thoughts on supporting parquet file append mode? Specifically if the meatadata is stored in a standalone file one can easily add new row groups to an existing file and create a new version of the metadata file without affecting potential consumers of the existing data.
