FlinkCDC连mysql时无法获取增量数据

问题遇到的现象和发生背景

最近学习FlinkCDC遇到一个问题，在连MySQL时明明设置了'scan.startup.mode' = 'initial'，并且biglog也开启了，但是就是获取不到增量数据，求高人指点

用代码块功能插入代码，请勿粘贴截图

tableEnv.executeSql("CREATE TABLE waybill ( " +
" id Integer primary key, " +
" PrimaryWayBillCode STRING, " +
" CarrierCode STRING, " +
" Channel STRING, " +
" WarehouseCode STRING, " +
" StoreCode_OMS STRING, " +
" ShipDate TIMESTAMP(0) " +
") WITH ( " +
" 'connector' = 'mysql-cdc', " +
" 'scan.startup.mode' = 'initial', " +
" 'hostname' = 'localhost', " +
" 'port' = '3306', " +
" 'username' = 'root', " +
" 'password' = 'root', " +
" 'database-name' = 'flink_test', " +
" 'table-name' = 'waybill' " +
")");

我想要达到的结果

在操作数据库数据时Flink程序可以实时监听到

解决了，没有开启checkpoint导致，加上下面代码即可
env.enableCheckpointing(1000, CheckpointingMode.EXACTLY_ONCE);
env.getCheckpointConfig().setCheckpointStorage("file:///E:/data/flink_checkpoint");