{"id":"gc-unconditionally-purges-aborted","text":"`garbage_collect()` removes all versions with `created_by` in `_aborted` as its first step, regardless of active transaction state — aborted versions are invisible to everyone and always safe to drop.","truth_value":"IN","source":"entries/2026/05/29/snapshot-isolation-mvcc_database-garbage_collect.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"gc-unconditionally-purges-aborted","truth_value":"IN","reason":"premise"}]}}