Update docs with actual MariaDB JSON support

(cherry picked from commit a26b88cd6b2034b7048d5b4729d3fa90ddfb255d)

diff --git a/lib/sqlalchemy/dialects/mysql/json.py b/lib/sqlalchemy/dialects/mysql/json.py
index 733a4d696ba9953d43ecc3b070138d7043d0093d..640e199292192cea60a1b6dd3ca7dde82e7de3fb 100644 (file)
--- a/lib/sqlalchemy/dialects/mysql/json.py
+++ b/lib/sqlalchemy/dialects/mysql/json.py
@@ -13,8 +13,8 @@ from ... import types as sqltypes
 class JSON(sqltypes.JSON):
     """MySQL JSON type.
 
-    MySQL supports JSON as of version 5.7.  Note that MariaDB does **not**
-    support JSON at the time of this writing.
+    MySQL supports JSON as of version 5.7.
+    MariaDB supports JSON (as an alias for LONGTEXT) as of version 10.2.
 
     The :class:`.mysql.JSON` type supports persistence of JSON values
     as well as the core index operations provided by :class:`_types.JSON`