- omit MySQL index flavor if its None

diff --git a/lib/sqlalchemy/dialects/mysql/base.py b/lib/sqlalchemy/dialects/mysql/base.py
index 247b7a1434061fe6250be9525fc573e043d4a7d6..7ccd59abb33cd3ec757e58c51388e211614a6b07 100644 (file)
--- a/lib/sqlalchemy/dialects/mysql/base.py
+++ b/lib/sqlalchemy/dialects/mysql/base.py
@@ -2576,7 +2576,8 @@ class MySQLDialect(default.DefaultDialect):
             index_d['name'] = spec['name']
             index_d['column_names'] = [s[0] for s in spec['columns']]
             index_d['unique'] = unique
-            index_d['type'] = flavor
+            if flavor:
+                index_d['type'] = flavor
             indexes.append(index_d)
         return indexes