Multilinks can be filtered by combining elements with AND, OR and NOT

[roundup.git] / roundup / backends / back_mysql.py

diff --git a/roundup/backends/back_mysql.py b/roundup/backends/back_mysql.py
index 2bc4f1327f20c4d52a9227ad48812afdabd6fab2..875cc53e94d2aa316307e78504ca4ee2c9510fc0 100644 (file)
--- a/roundup/backends/back_mysql.py
+++ b/roundup/backends/back_mysql.py
@@ -564,6 +564,11 @@ class Database(Database):
                 raise
 
 class MysqlClass:
+
+    def supports_subselects(self):
+        # TODO: AFAIK its version dependent for MySQL
+        return False
+
     def _subselect(self, classname, multilink_table):
         ''' "I can't believe it's not a toy RDBMS"
            see, even toy RDBMSes like gadfly and sqlite can do sub-selects...