bypass table map event in some weird cases.

Author: lxyu

pymysqlreplication/row_event.py

@@ -483,11 +483,12 @@ def __init__(self, from_packet, event_size, table_map, ctl_connection):
         # Read columns meta data
         column_types = list(self.packet.read(self.column_count))
         self.packet.read_length_coded_binary()
-        for i in range(0, len(column_types)):
-            column_type = column_types[i]
-            column_schema = self.column_schemas[i]
-            col = Column(byte2int(column_type), column_schema, from_packet)
-            self.columns.append(col)
+        if self.column_schemas:
+            for i in range(0, len(column_types)):
+                column_type = column_types[i]
+                column_schema = self.column_schemas[i]
+                col = Column(byte2int(column_type), column_schema, from_packet)
+                self.columns.append(col)
 
         self.table_obj = Table(self.column_schemas, self.table_id, self.schema,
                                self.table, self.columns)