Bring some methods over from ArrowWriter to the async version #5251
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Which issue does this PR close?
Closes #5099.
Are there any user-facing changes?
Adds five new methods to
AsyncArrowWriter
and one toArrowWriter
:flushed_row_groups
in_progress_size
in_progress_rows
flush
bytes_written
(to both)It doesn't change or touch any existing functionality.