diff options
Diffstat (limited to 'src/backend/access/nbtree/nbtinsert.c')
| -rw-r--r-- | src/backend/access/nbtree/nbtinsert.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/src/backend/access/nbtree/nbtinsert.c b/src/backend/access/nbtree/nbtinsert.c index e3a44bc09e0..d36f7557c87 100644 --- a/src/backend/access/nbtree/nbtinsert.c +++ b/src/backend/access/nbtree/nbtinsert.c @@ -1861,11 +1861,9 @@ _bt_split(Relation rel, BTScanInsert itup_key, Buffer buf, Buffer cbuf, } /* - * We have to grab the right sibling (if any) and fix the prev pointer - * there. We are guaranteed that this is deadlock-free since no other - * writer will be holding a lock on that page and trying to move left, and - * all readers release locks on a page before trying to fetch its - * neighbors. + * We have to grab the original right sibling (if any) and update its prev + * link. We are guaranteed that this is deadlock-free, since we couple + * the locks in the standard order: left to right. */ if (!isrightmost) { |