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-rw-r--r--docs/ref/models/expressions.txt1
-rw-r--r--docs/releases/5.2.txt4
2 files changed, 5 insertions, 0 deletions
diff --git a/docs/ref/models/expressions.txt b/docs/ref/models/expressions.txt
index 6faec969c3..5d5504dbe7 100644
--- a/docs/ref/models/expressions.txt
+++ b/docs/ref/models/expressions.txt
@@ -516,6 +516,7 @@ generated. Here's a brief example::
function = "SUM"
template = "%(function)s(%(all_values)s%(expressions)s)"
allow_distinct = False
+ arity = 1
def __init__(self, expression, all_values=False, **extra):
super().__init__(expression, all_values="ALL " if all_values else "", **extra)
diff --git a/docs/releases/5.2.txt b/docs/releases/5.2.txt
index 3d3a958b6d..716f217aee 100644
--- a/docs/releases/5.2.txt
+++ b/docs/releases/5.2.txt
@@ -511,6 +511,10 @@ Miscellaneous
* The minimum supported version of ``oracledb`` is increased from 1.3.2 to
2.3.0.
+* Built-in aggregate functions accepting only one argument (``Avg``, ``Count``,
+ ``Max``, ``Min``, ``StdDev``, ``Sum``, and ``Variance``) now raise
+ :exc:`TypeError` when called with an incorrect number of arguments.
+
.. _deprecated-features-5.2:
Features deprecated in 5.2