diff options
Diffstat (limited to 'src/backend/access/heap/heapam.c')
| -rw-r--r-- | src/backend/access/heap/heapam.c | 15 |
1 files changed, 2 insertions, 13 deletions
diff --git a/src/backend/access/heap/heapam.c b/src/backend/access/heap/heapam.c index 346d6b964d5..01a492e496e 100644 --- a/src/backend/access/heap/heapam.c +++ b/src/backend/access/heap/heapam.c @@ -1529,7 +1529,6 @@ heap_hot_search_buffer(ItemPointer tid, Relation relation, Buffer buffer, OffsetNumber offnum; bool at_chain_start; bool valid; - bool match_found; if (all_dead) *all_dead = true; @@ -1539,7 +1538,6 @@ heap_hot_search_buffer(ItemPointer tid, Relation relation, Buffer buffer, Assert(ItemPointerGetBlockNumber(tid) == BufferGetBlockNumber(buffer)); offnum = ItemPointerGetOffsetNumber(tid); at_chain_start = true; - match_found = false; /* Scan through possible multiple members of HOT-chain */ for (;;) @@ -1597,10 +1595,7 @@ heap_hot_search_buffer(ItemPointer tid, Relation relation, Buffer buffer, PredicateLockTuple(relation, &heapTuple); if (all_dead) *all_dead = false; - if (IsolationIsSerializable()) - match_found = true; - else - return true; + return true; } /* @@ -1629,7 +1624,7 @@ heap_hot_search_buffer(ItemPointer tid, Relation relation, Buffer buffer, break; /* end of chain */ } - return match_found; + return false; } /* @@ -2855,12 +2850,6 @@ l2: END_CRIT_SECTION(); - /* - * Any existing SIREAD locks on the old tuple must be linked to the new - * tuple for conflict detection purposes. - */ - PredicateLockTupleRowVersionLink(relation, &oldtup, heaptup); - if (newbuf != buffer) LockBuffer(newbuf, BUFFER_LOCK_UNLOCK); LockBuffer(buffer, BUFFER_LOCK_UNLOCK); |