diff options
Diffstat (limited to 'src/backend/access/index/genam.c')
| -rw-r--r-- | src/backend/access/index/genam.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/src/backend/access/index/genam.c b/src/backend/access/index/genam.c index ac531f071e2..e3d0fd95f7d 100644 --- a/src/backend/access/index/genam.c +++ b/src/backend/access/index/genam.c @@ -802,6 +802,7 @@ systable_inplace_update_begin(Relation relation, int retries = 0; SysScanDesc scan; HeapTuple oldtup; + BufferHeapTupleTableSlot *bslot; /* * For now, we don't allow parallel updates. Unlike a regular update, @@ -823,10 +824,9 @@ systable_inplace_update_begin(Relation relation, Assert(IsInplaceUpdateRelation(relation) || !IsSystemRelation(relation)); /* Loop for an exclusive-locked buffer of a non-updated tuple. */ - for (;;) + do { TupleTableSlot *slot; - BufferHeapTupleTableSlot *bslot; CHECK_FOR_INTERRUPTS(); @@ -852,11 +852,9 @@ systable_inplace_update_begin(Relation relation, slot = scan->slot; Assert(TTS_IS_BUFFERTUPLE(slot)); bslot = (BufferHeapTupleTableSlot *) slot; - if (heap_inplace_lock(scan->heap_rel, - bslot->base.tuple, bslot->buffer)) - break; - systable_endscan(scan); - }; + } while (!heap_inplace_lock(scan->heap_rel, + bslot->base.tuple, bslot->buffer, + (void (*) (void *)) systable_endscan, scan)); *oldtupcopy = heap_copytuple(oldtup); *state = scan; |