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Add notification when aggregation skips a null value #170

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Merged
merged 4 commits into from
Sep 18, 2024
Merged

Add notification when aggregation skips a null value #170

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ed47192
Add notification when aggregation skips a null value
pontusmelke Aug 26, 2024
0ee44c9
move aggregate skipped null under unrecongnized and add notification …
renetapopova Sep 2, 2024
4e5c1a7
update the title and description
renetapopova Sep 3, 2024
50621b2
remove a leftover closing tab
renetapopova Sep 18, 2024
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1 change: 1 addition & 0 deletions modules/ROOT/pages/changelogs.adoc
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@ Neo.ClientNotification.Statement.RedundantOptionalProcedure
Neo.ClientNotification.Statement.RedundantOptionalSubquery
Neo.ClientNotification.Security.AuthProviderNotDefined
Neo.ClientNotification.Security.ExternalAuthNotEnabled
Neo.ClientNotification.Statement.AggregationSkippedNull
-----

== Neo4j 5.23
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60 changes: 57 additions & 3 deletions modules/ROOT/pages/notifications/all-notifications.adoc
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Expand Up @@ -1154,6 +1154,61 @@ If you plan to create that property key in the future, no change is needed.
======
=====

[#_neo_clientnotification_statement_AggregationSkippedNull]
=== Aggregation skipped null

.Notification details
[cols="<1s,<4"]
|===
|Neo4j code
m|Neo.ClientNotification.Statement.AggregationSkippedNull
|Title
a|The query contains an aggregation function that skips null values.
|Description
|The query contains an aggregation function that skips null values.
|Category
m|UNRECOGNIZED
|GQLSTATUS code
m|01G11
|Status description
a|warn: null value eliminated in set function.
|Classification
m|UNRECOGNIZED
|SeverityLevel
m|WARNING
|===

.Aggregation skipping a NULL value
[.tabbed-example]
=====
[.include-with-neo4j-code]
======
Query::

[source,cypher]
----
UNWIND [1, NULL, 2] AS i RETURN count(i) AS sum
----
Description of the returned code::
The query contains an aggregation function that skips null values.
======
[.include-with-GQLSTATUS-code]
======
Query::
+
[source,cypher]
----
UNWIND [1, NULL, 2] AS i RETURN count(i) AS sum
----

Returned GQLSTATUS code::
01G11

Returned status description::
warn: null value eliminated in set function.
======
=====

[#_unsupported_notifications]
== `UNSUPPORTED` category

Expand Down Expand Up @@ -4049,9 +4104,9 @@ Query::
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)

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)
======

[.include-with-GQLSTATUS-code]
======
Query::
Expand All @@ -4069,4 +4124,3 @@ warn: repeated relationship reference.
`r` is repeated in `()-[r*]->()<-[r*]-()`, which leads to no results.
======
=====