Use OperationalError for unknown error with code>1000. (#823)

Fixes #816.
PyMySQL · Nov 13, 2019 · c3e5a63 · c3e5a63
1 parent 9dcefe9
commit c3e5a63
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/pymysql/err.py b/pymysql/err.py
@@ -100,5 +100,7 @@ def _map_error(exc, *errors):
 def raise_mysql_exception(data):
     errno = struct.unpack('<h', data[1:3])[0]
     errval = data[9:].decode('utf-8', 'replace')
-    errorclass = error_map.get(errno, InternalError)
+    errorclass = error_map.get(errno)
+    if errorclass is None:
+        errorclass = InternalError if errno < 1000 else OperationalError
     raise errorclass(errno, errval)