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-rw-r--r--src/backend/access/nbtree/nbtsearch.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/backend/access/nbtree/nbtsearch.c b/src/backend/access/nbtree/nbtsearch.c
index 14dffe07db6..5b1adeea419 100644
--- a/src/backend/access/nbtree/nbtsearch.c
+++ b/src/backend/access/nbtree/nbtsearch.c
@@ -431,6 +431,8 @@ _bt_compare(Relation rel,
itup = (IndexTuple) PageGetItem(page, PageGetItemId(page, offnum));
+ Assert (keysz <= rel->rd_index->indnkeyatts);
+
/*
* The scan key is set up with the attribute number associated with each
* term in the key. It is important that, if the index is multi-key, the