shangxinli commented on PR #14435:
URL: https://github.com/apache/iceberg/pull/14435#issuecomment-3549404271
Great point and example! You're right! I think there could be two solutions:
Solution 1: Group files by row ID continuity
Group files with continuous _row_id ranges, preserve IDs by setting merged
file's firstRowId to match.
Solution 2: Write _row_id as physical column
Read virtual _row_id from each row and write as physical column.
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