f0:blob f1:int f2:int f3:double (all can be null)
bucket count: -1
row-tracking.enabled: true
data-evolution.enabled: true
metadata.stats-dense-store: true
fields.f3.stats-mode: none

Msgs:
snapshot-1
write field: "f0", "f1", "f2"
Add: "Lily", 2, 12
Add: "Alice", 4, 14
NoCompact

snapshot-2
set first row id = 0
write field: "f2", "f3"
Add: 102, 2.1
Add: 104, 3.1
NoCompact
