Merge pull request #239 from NotSoSuper/master

proper argument for cursor.execute (for sa engine)

aiomysql/sa/connection.py

@@ -74,7 +74,7 @@ def _execute(self, query, *multiparams, **params):
             dp = dp[0]
 
         if isinstance(query, str):
-            yield from cursor.execute(query, dp)
+            yield from cursor.execute(query, dp or None)
         elif isinstance(query, ClauseElement):
             compiled = query.compile(dialect=self._dialect)
             # parameters = compiled.params

tests/sa/test_sa_connection.py

@@ -290,6 +290,14 @@ def go():
                     [(2, 'third'), (3, 'forth')])
         self.loop.run_until_complete(go())
 
+    def test_raw_select_with_wildcard(self):
+        @asyncio.coroutine
+        def go():
+            conn = yield from self.connect()
+            yield from conn.execute(
+                'SELECT * FROM sa_tbl WHERE name LIKE "%test%"')
+        self.loop.run_until_complete(go())
+
     def test_delete(self):
         @asyncio.coroutine
         def go():