diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/executor/nodeIndexonlyscan.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/src/backend/executor/nodeIndexonlyscan.c b/src/backend/executor/nodeIndexonlyscan.c index 8c32a74d39e..7d2d50691e8 100644 --- a/src/backend/executor/nodeIndexonlyscan.c +++ b/src/backend/executor/nodeIndexonlyscan.c @@ -236,11 +236,8 @@ IndexOnlyNext(IndexOnlyScanState *node) errmsg("lossy distance functions are not supported in index-only scans"))); /* - * Predicate locks for index-only scans must be acquired at the page - * level when the heap is not accessed, since tuple-level predicate - * locks need the tuple's xmin value. If we had to visit the tuple - * anyway, then we already have the tuple-level lock and can skip the - * page lock. + * If we didn't access the heap, then we'll need to take a predicate + * lock explicitly, as if we had. For now we do that at page level. */ if (tuple == NULL) PredicateLockPage(scandesc->heapRelation, |