Perform a full compaction of the underlying LevelDB on a one-shot background thread.
Declared in <txdb.h>
[[requires_capability(0x7f2e1ac394d0, 0x7f2e1ac39580), requires_capability(0x7f2e268d03a0, 0x7f2e268d0450), requires_capability(0x7f2e2a796210, 0x7f2e2a7962c0), requires_capability(0x7f2e0802c7a0, 0x7f2e0802c850), requires_capability(0x7f2e26d09da0, 0x7f2e26d09e50), requires_capability(0x7f2e29cbf610, 0x7f2e29cbf6c0)]]
std::shared_future<void>
CompactFullAsync();A shared future that completes when the compaction finishes.