Function mz_catalog::durable::upgrade::upgrade

pub(crate) async fn upgrade(
    persist_handle: &mut PersistHandle<StateUpdateKindJson, UnopenedCatalogStateInner>,
    commit_ts: Timestamp,
) -> Result<Timestamp, CatalogError>

Upgrades the data in the catalog to version CATALOG_VERSION.

Returns the current upper after all migrations have executed.