Iceberg sink: upsert rendering pass. #34033
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The iceberg sink is a multistage dataflow comprised of the following operators: - Batch description minting: The batch minter picks time bounds `x` time wide into the future which all subsequent operators use. - Iceberg Writer Iceberg writer writes data files (parquet) with times bounded by the batch descriptions - Iceberg committer Coalesces the files from all writers and commits them to the catalog
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The iceberg sink is a multistage dataflow comprised of the following operators:
xtime wide into the future which all subsequent operators use.Motivation
Tips for reviewer
Checklist
$T ⇔ Proto$Tmapping (possibly in a backwards-incompatible way), then it is tagged with aT-protolabel.