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| author | Peter Geoghegan <pg@bowt.ie> | 2022-04-20 18:29:02 -0700 |
|---|---|---|
| committer | Peter Geoghegan <pg@bowt.ie> | 2022-04-20 18:29:02 -0700 |
| commit | ba6af6aa0b764d76cfca79d9dfbddc7134a16bfc (patch) | |
| tree | bd68f557e2215b0530feed6ae758fe00650d8ec5 | |
| parent | 8ab0ebb9a842dc6063d1374a38b47a3b7ee64afe (diff) | |
| download | postgresql-ba6af6aa0b764d76cfca79d9dfbddc7134a16bfc.tar.gz postgresql-ba6af6aa0b764d76cfca79d9dfbddc7134a16bfc.zip | |
vacuumlazy.c: MultiXactIds are MXIDs, not XMIDs.
Oversights in commits 0b018fab and f3c15cbe.
| -rw-r--r-- | src/backend/access/heap/vacuumlazy.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/backend/access/heap/vacuumlazy.c b/src/backend/access/heap/vacuumlazy.c index 7f2e8874068..9482f99e68b 100644 --- a/src/backend/access/heap/vacuumlazy.c +++ b/src/backend/access/heap/vacuumlazy.c @@ -512,7 +512,7 @@ heap_vacuum_rel(Relation rel, VacuumParams *params, vacrel->FreezeLimit = FreezeLimit; /* MultiXactCutoff controls MXID freezing (always <= OldestMxact) */ vacrel->MultiXactCutoff = MultiXactCutoff; - /* Initialize state used to track oldest extant XID/XMID */ + /* Initialize state used to track oldest extant XID/MXID */ vacrel->NewRelfrozenXid = OldestXmin; vacrel->NewRelminMxid = OldestMxact; vacrel->skippedallvis = false; @@ -1295,7 +1295,7 @@ lazy_scan_heap(LVRelState *vacrel) * Note: our opinion of which blocks can be skipped can go stale immediately. * It's okay if caller "misses" a page whose all-visible or all-frozen marking * was concurrently cleared, though. All that matters is that caller scan all - * pages whose tuples might contain XIDs < OldestXmin, or XMIDs < OldestMxact. + * pages whose tuples might contain XIDs < OldestXmin, or MXIDs < OldestMxact. * (Actually, non-aggressive VACUUMs can choose to skip all-visible pages with * older XIDs/MXIDs. The vacrel->skippedallvis flag will be set here when the * choice to skip such a range is actually made, making everything safe.) @@ -2012,7 +2012,7 @@ lazy_scan_noprune(LVRelState *vacrel, * relfrozenxid to a value >= FreezeLimit (and be able to * advance rel's relminmxid to a value >= MultiXactCutoff). * The ongoing aggressive VACUUM won't be able to do that - * unless it can freeze an XID (or XMID) from this tuple now. + * unless it can freeze an XID (or MXID) from this tuple now. * * The only safe option is to have caller perform processing * of this page using lazy_scan_prune. Caller might have to |