From: RamonWill <ramonwilliams@hotmail.co.uk>
Date: Thu, 23 Apr 2020 10:50:57 +0000 (+0100)
Subject: changelog for issue 4212
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F5232%2Fhead;p=thirdparty%2Fsqlalchemy%2Fsqlalchemy.git

changelog for issue 4212
---

diff --git a/doc/build/changelog/unreleased_14/4212.rst b/doc/build/changelog/unreleased_14/4212.rst
new file mode 100644
index 0000000000..bdf9a67434
--- /dev/null
+++ b/doc/build/changelog/unreleased_14/4212.rst
@@ -0,0 +1,9 @@
+.. change::
+    :tags: bug, easy, inheritance, orm
+    :tickets: 4212
+
+    An :class:`.ArgumentError` is now raised if both the selectable and flat
+    parameters are set to True in :func:`.orm.with_polymorphic`.
+    The selectable name is already aliased and applying flat=True
+    overrides the selectable name with an anonymous name that would've
+    previously caused the code to break. Pull request courtesy Ramon Williams.