TableMapEventMetadata is all ways null

[jijiuzhou]

TableMapEventData data = event.getData();
TableMapEventMetadata tableMapEventMetadata = data.getEventMetadata();
List columnNames = tableMapEventMetadata.getColumnNames();

[jijiuzhou]

if we use jdbc slect from INFORMATION_SCHEMA.COLUMNS ,we may get the latest table schema,but not the schema which when the row changed