From c9b782d8c3ac5b8fc28c94313a6b64f3f9a4791a Mon Sep 17 00:00:00 2001 From: Junwang Zhao Date: Sun, 8 Jun 2025 09:32:23 +0000 Subject: [PATCH v1] add a bound check to TidRangeEval --- src/backend/executor/nodeTidrangescan.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/src/backend/executor/nodeTidrangescan.c b/src/backend/executor/nodeTidrangescan.c index ab2eab9596e..855189e22c0 100644 --- a/src/backend/executor/nodeTidrangescan.c +++ b/src/backend/executor/nodeTidrangescan.c @@ -202,6 +202,12 @@ TidRangeEval(TidRangeScanState *node) } } + if (ItemPointerCompare(&lowerBound, &upperBound) > 0) + { + /* The lower bound is greater than the upper bound, so no tuples match */ + return false; + } + ItemPointerCopy(&lowerBound, &node->trss_mintid); ItemPointerCopy(&upperBound, &node->trss_maxtid); -- 2.39.5