amogh-jahagirdar commented on code in PR #4922:
URL: https://github.com/apache/iceberg/pull/4922#discussion_r887296820
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core/src/main/java/org/apache/iceberg/TableMetadata.java:
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@@ -120,13 +120,15 @@ static TableMetadata newTableMetadata(Schema schema,
// break existing tables.
MetricsConfig.fromProperties(properties).validateReferencedColumns(schema);
+ SnapshotRef main = SnapshotRef.branchBuilder(-1).build();
Review Comment:
Good point, I was originally thinking that at least the ref can exist even
if there is no table state. But it's easier to just maintain the invariant that
so long as there's no table state, main won't exist.
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