Perform a full compaction of the underlying LevelDB on a one-shot background thread.
Declared in <txdb.h>
[[requires_capability(0x7ff37aab7090, 0x7ff37aab7140), requires_capability(0x7ff391baf200, 0x7ff391baf2b0), requires_capability(0x7ff38155e9a0, 0x7ff38155ea50), requires_capability(0x7ff38ae76920, 0x7ff38ae769d0), requires_capability(0x7ff3784df680, 0x7ff3784df730), requires_capability(0x7ff3760a5800, 0x7ff3760a58b0)]]
std::shared_future<void>
CompactFullAsync();A shared future that completes when the compaction finishes.