tanmayrauth commented on issue #999:
URL: https://github.com/apache/iceberg-go/issues/999#issuecomment-4472957706
Good call on folding (2) into (1). I'll do two PRs total.
Yes, synthesizeRowLineageColumns reads from task.DataSequenceNumber which is
set from e.FileSequenceNum() — the manifest entry's own FileSeqNum field
(manifest.go:2076), not anything cached from the snapshot. So after a rewrite,
the new manifest entry carries the new snapshot's sequence number and synthesis
picks it up correctly. Nulling _last_updated_sequence_number on reinsert will
inherit the new file's data_sequence_number as expected.
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