diff options
Diffstat (limited to 'src/backend/access/heap/pruneheap.c')
| -rw-r--r-- | src/backend/access/heap/pruneheap.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/src/backend/access/heap/pruneheap.c b/src/backend/access/heap/pruneheap.c index c6e31542935..3ec10a07c02 100644 --- a/src/backend/access/heap/pruneheap.c +++ b/src/backend/access/heap/pruneheap.c @@ -339,6 +339,9 @@ heap_prune_chain(Relation relation, Buffer buffer, OffsetNumber rootoffnum, OffsetNumber chainitems[MaxHeapTuplesPerPage]; int nchain = 0, i; + HeapTupleData tup; + + tup.t_tableOid = RelationGetRelid(relation); rootlp = PageGetItemId(dp, rootoffnum); @@ -348,6 +351,12 @@ heap_prune_chain(Relation relation, Buffer buffer, OffsetNumber rootoffnum, if (ItemIdIsNormal(rootlp)) { htup = (HeapTupleHeader) PageGetItem(dp, rootlp); + + tup.t_data = htup; + tup.t_len = ItemIdGetLength(rootlp); + tup.t_tableOid = RelationGetRelid(relation); + ItemPointerSet(&(tup.t_self), BufferGetBlockNumber(buffer), rootoffnum); + if (HeapTupleHeaderIsHeapOnly(htup)) { /* @@ -368,7 +377,7 @@ heap_prune_chain(Relation relation, Buffer buffer, OffsetNumber rootoffnum, * either here or while following a chain below. Whichever path * gets there first will mark the tuple unused. */ - if (HeapTupleSatisfiesVacuum(htup, OldestXmin, buffer) + if (HeapTupleSatisfiesVacuum(&tup, OldestXmin, buffer) == HEAPTUPLE_DEAD && !HeapTupleHeaderIsHotUpdated(htup)) { heap_prune_record_unused(prstate, rootoffnum); @@ -431,6 +440,10 @@ heap_prune_chain(Relation relation, Buffer buffer, OffsetNumber rootoffnum, Assert(ItemIdIsNormal(lp)); htup = (HeapTupleHeader) PageGetItem(dp, lp); + tup.t_data = htup; + tup.t_len = ItemIdGetLength(lp); + ItemPointerSet(&(tup.t_self), BufferGetBlockNumber(buffer), offnum); + /* * Check the tuple XMIN against prior XMAX, if any */ @@ -448,7 +461,7 @@ heap_prune_chain(Relation relation, Buffer buffer, OffsetNumber rootoffnum, */ tupdead = recent_dead = false; - switch (HeapTupleSatisfiesVacuum(htup, OldestXmin, buffer)) + switch (HeapTupleSatisfiesVacuum(&tup, OldestXmin, buffer)) { case HEAPTUPLE_DEAD: tupdead = true; |