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-rw-r--r--src/backend/access/nbtree/nbtutils.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/backend/access/nbtree/nbtutils.c b/src/backend/access/nbtree/nbtutils.c
index 14253ead8bd..1b75066fb51 100644
--- a/src/backend/access/nbtree/nbtutils.c
+++ b/src/backend/access/nbtree/nbtutils.c
@@ -2901,8 +2901,9 @@ _bt_preprocess_keys(IndexScanDesc scan)
* ...unless we have to keep the old key because it's
* an array that rendered the new key redundant. We
* need to make sure that we don't throw away an array
- * scan key. _bt_compare_scankey_args expects us to
- * always keep arrays (and discard non-arrays).
+ * scan key. _bt_preprocess_array_keys_final expects
+ * us to keep all of the arrays that weren't already
+ * eliminated by _bt_preprocess_array_keys earlier on.
*/
Assert(!(inkey->sk_flags & SK_SEARCHARRAY));
}