add rst

diff --git a/doc/build/changelog/unreleased_20/9543.rst b/doc/build/changelog/unreleased_20/9543.rst
new file mode 100644 (file)
index 0000000..14c08ff
--- /dev/null
+++ b/doc/build/changelog/unreleased_20/9543.rst
@@ -0,0 +1,6 @@
+.. change::
+    :tags: bug, mysql
+    :tickets: 9544
+
+    Fixed creating ``CHAR(0)`` columns with the MySQL dialects. Previously,
+    these columns would be created as ``CHAR(1)`` columns.
\ No newline at end of file