Ticket #1624: executemany_arguments.2.diff

django/db/backends/sqlite3/base.py

@@ -70 +70 @@
         return Database.Cursor.execute(self, query, params)
 
     def executemany(self, query, params=[]):
-        query = self.convert_query(query, len(params[0]))
+        query = self.convert_query(query, len(params))
         return Database.Cursor.executemany(self, query, params)
 
     def convert_query(self, query, num_params):

django/db/backends/util.py

@@ -17 +17 @@
                 'time': "%.3f" % (stop - start),
             })
 
-    def executemany(self, sql, param_list):
+    def executemany(self, sql, param_list=[]):
         start = time()
         try:
             return self.cursor.executemany(sql, param_list)

django/db/backends/mysql/base.py

@@ -33 +33 @@
             self.cursor.execute("SHOW WARNINGS")
             raise Database.Warning, "%s: %s" % (w, self.cursor.fetchall())
 
-    def executemany(self, sql, param_list):
+    def executemany(self, sql, param_list=[]):
         try:
             return self.cursor.executemany(sql, param_list)
         except Database.Warning: