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When partition_split_builder splits a tablet metadata partition into multiple mutations, the first mutation gets the partition tombstone and/or static row while subsequent mutations contain only clustered rows. The hint logic would correctly clear tokens (marking a full partition read) upon seeing the tombstone in the first mutation, but then re-add tokens when processing the subsequent row-only mutations. This caused update_tablet_metadata to attempt a point update via mutate_tablet_map_async on a tablet map that doesn't exist yet during bootstrap, throwing no_such_tablet_map and failing the snapshot transfer. Fix by adding a full_read flag to table_hint. Once a full partition read is decided (due to partition tombstone, range tombstone, static row, or row deletion), the flag prevents subsequent mutations for the same table from re-adding tokens. Additionally, fall back to a full partition read when the tablet map is missing locally, which happens when the joining node receives tablet metadata for a table it has never seen before. Fixes: SCYLLADB-2333. Needs backports to 2026.1+. 2026.1 introduces the regression withb17a36c071- (cherry picked from commitd6c1707a04) - (cherry picked from commit491db28fbf) Parent PR: #30115 Closes scylladb/scylladb#30154 * github.com:scylladb/scylladb: tablets: fall back to full partition read when tablet map is missing tablets: fix hint re-adding tokens after full partition read decision