Perform a full compaction of the underlying LevelDB on a one-shot background thread.
Declared in <txdb.h>
[[requires_capability(0x7fb95ebf2180, 0x7fb95ebf2230), requires_capability(0x7fb9699da320, 0x7fb9699da3d0), requires_capability(0x7fb96017c2f0, 0x7fb96017c3a0), requires_capability(0x7fb979418970, 0x7fb979418a20), requires_capability(0x7fb9856c2e50, 0x7fb9856c2f00), requires_capability(0x7fb95b453d20, 0x7fb95b453dd0)]]
std::shared_future<void>
CompactFullAsync();A shared future that completes when the compaction finishes.