rdblue commented on code in PR #12596:
URL: https://github.com/apache/iceberg/pull/12596#discussion_r2008112104
##########
core/src/main/java/org/apache/iceberg/MetadataColumns.java:
##########
@@ -93,21 +93,34 @@ private MetadataColumns() {}
"_commit_snapshot_id",
Types.LongType.get(),
"Commit snapshot ID");
+ public static final NestedField ROW_ID =
+ NestedField.optional(
+ Integer.MAX_VALUE - 107, "_row_id", Types.LongType.get(), "Row ID
for row lineage");
Review Comment:
Should we state that this is an implicit row ID that is automatically
assigned, rather than just "Row ID"? I want to make it clear that people
shouldn't expect to be able to set this.
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