in src/columnar_storage/src/manifest/encoding.rs [241:249]
fn from(record: SnapshotRecord) -> Self {
let file_meta = FileMeta {
max_sequence: record.id(),
num_rows: record.num_rows,
size: record.size,
time_range: record.time_range.clone(),
};
SstFile::new(record.id(), file_meta)
}