diff options
Diffstat (limited to 'src/backend/commands/vacuum.c')
| -rw-r--r-- | src/backend/commands/vacuum.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/backend/commands/vacuum.c b/src/backend/commands/vacuum.c index 3b3dfeead4f..ff633faca64 100644 --- a/src/backend/commands/vacuum.c +++ b/src/backend/commands/vacuum.c @@ -357,7 +357,7 @@ vacuum(int options, RangeVar *relation, Oid relid, VacuumParams *params, if ((options & VACOPT_VACUUM) && !IsAutoVacuumWorkerProcess()) { /* - * Update pg_database.datfrozenxid, and truncate pg_clog if possible. + * Update pg_database.datfrozenxid, and truncate pg_xact if possible. * (autovacuum.c does this for itself.) */ vac_update_datfrozenxid(); @@ -910,7 +910,7 @@ vac_update_relstats(Relation relation, * pg_class.relminmxid values. * * If we are able to advance either pg_database value, also try to - * truncate pg_clog and pg_multixact. + * truncate pg_xact and pg_multixact. * * We violate transaction semantics here by overwriting the database's * existing pg_database tuple with the new values. This is reasonably @@ -1056,7 +1056,7 @@ vac_update_datfrozenxid(void) /* * If we were able to advance datfrozenxid or datminmxid, see if we can - * truncate pg_clog and/or pg_multixact. Also do it if the shared + * truncate pg_xact and/or pg_multixact. Also do it if the shared * XID-wrap-limit info is stale, since this action will update that too. */ if (dirty || ForceTransactionIdLimitUpdate()) @@ -1069,7 +1069,7 @@ vac_update_datfrozenxid(void) * vac_truncate_clog() -- attempt to truncate the commit log * * Scan pg_database to determine the system-wide oldest datfrozenxid, - * and use it to truncate the transaction commit log (pg_clog). + * and use it to truncate the transaction commit log (pg_xact). * Also update the XID wrap limit info maintained by varsup.c. * Likewise for datminmxid. * @@ -1116,7 +1116,7 @@ vac_truncate_clog(TransactionId frozenXID, * of the interlock against copying a DB containing an active backend. * Hence the new entry will not reduce the minimum. Also, if two VACUUMs * concurrently modify the datfrozenxid's of different databases, the - * worst possible outcome is that pg_clog is not truncated as aggressively + * worst possible outcome is that pg_xact is not truncated as aggressively * as it could be. */ relation = heap_open(DatabaseRelationId, AccessShareLock); |