From 51c057148c0e2ad6a1511783ec95f42fb82dc29c Mon Sep 17 00:00:00 2001
From: Dmitry Yemanov <dyemanov@users.noreply.github.com>
Date: Tue, 12 Sep 2023 08:32:47 +0300
Subject: [PATCH] Avoid storing garbage in idx_selectivity

---
 src/jrd/btr.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/jrd/btr.cpp b/src/jrd/btr.cpp
index 68b2aa0a14..49a9d2260f 100644
--- a/src/jrd/btr.cpp
+++ b/src/jrd/btr.cpp
@@ -533,7 +533,7 @@ bool BTR_description(thread_db* tdbb, jrd_rel* relation, index_root_page* root,
 		idx_desc->idx_selectivity = key_descriptor->irtd_selectivity;
 		ptr += sizeof(irtd);
 	}
-	idx->idx_selectivity = idx_desc->idx_selectivity;
+	idx->idx_selectivity = idx->idx_rpt[idx->idx_count - 1].idx_selectivity;
 
 	if (idx->idx_flags & idx_expressn)
 	{