vaibhavk1992 commented on issue #886:
URL:
https://github.com/apache/incubator-xtable/issues/886#issuecomment-5426472989
@vinishjail97 regarding the prerequisite 2, did some validation
- #711 (column rename → wrong Iceberg field ID): root cause is in
IcebergSchemaSync.addUpdates (the sink, matches columns by name not field ID).
Both Delta extractors already preserve field IDs correctly on the source side —
the bug is downstream and format-agnostic. Fixing it once fixes both paths.
- #813 (_delta_log mistaken for a Hudi partition): this is Hudi's own
filesystem-fallback listing behavior, triggered by any standards-compliant
_delta_log directory. Kernel and Standalone produce identical log layouts, so
neither is more or less exposed.
- #641 (Iceberg source NPE): crashes entirely on the Iceberg-source side
(IcebergColumnStatsConverter), before any Delta target code — Standalone or
Kernel — ever runs. Doesn't belong in this list at all.
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