Add notification when aggregation skips a null value

Author: pontusmelke

modules/ROOT/pages/changelogs.adoc

@@ -1,6 +1,15 @@
 :description: This page lists all changes to status codes per Neo4j version.
 = Changes to status codes per Neo4j version
 
+== Neo4j 5.24
+
+**New:**
+
+[source, status codes, role="noheader"]
+-----
+Neo.ClientNotification.Statement.AggregationSkippedNull
+-----
+
 == Neo4j 5.17
 
 **New:**

modules/ROOT/pages/notifications/all-notifications.adoc

@@ -1753,3 +1753,15 @@ MATCH ()-[r*]->()<-[r*]-() RETURN count(*) AS count
 Description of the returned code::
 A variable-length relationship variable is bound more than once, which leads to no results because relationships must not occur more than once in each result. (Relationship r was repeated)
 ====
+
+.Aggregation skipping a NULL value(when run on version 5.24 or newer)
+====
+Query::
++
+[source,cypher]
+----
+UNWIND [1, NULL, 2] AS i RETURN count(i)
+----
+Description of the returned code::
+null value eliminated in set function.
+====