Flink CDC中这里的维度表是 CDC捕获变化一次它就重新查一次还是:只查开始的那一次？

Flink CDC中这里的维度表是 CDC捕获变化一次它就重新查一次还是:只查开始的那一次？我是SQL。

CREATE TABLE ord_retail_order_bill (
bill_no STRING,
source_bill_no STRING,
complete_date TIMESTAMP,
create_date TIMESTAMP,
member_id INT,
sale_type INT,
remarks STRING,
member_phone STRING,
lastchanged TIMESTAMP,
is_web STRING,
channel_id INT,
shop_id INT,
type STRING,
status INT,
id BIGINT ,
PRIMARY KEY(id) NOT ENFORCED
) WITH (
'connector' = 'mysql-cdc',
'hostname' = '192.168.173.136',
'port' = '3306',
'username' = '**',
'password' = '**',
'database-name' = 'e3plus_order',
'table-name' = 'ord_retail_order_bill',
'scan.startup.mode' = 'initial'
);

CREATE TABLE ord_retail_ord_goods_detail (
qty INT,
tax_inclusive_price decimal(12, 4),
total_tax_price decimal(12, 4),
price_standard decimal(12, 4),
remark STRING,
shop_staff_code STRING,
shop_staff_name STRING,
promotion_id STRING,
promotion_no STRING,
promotion_name STRING,
retail_order_bill_id BIGINT,
goods_id INT,
id BIGINT
) WITH (

'connector' = 'jdbc',
'url' = 'jdbc:mysql://192.168.173.136:3306/e3plus_order?characterEncoding=UTF-8',
'table-name' = 'ord_retail_ord_goods_detail',
'username' = '**',
'password' = '**'
);

CREATE TABLE bas_channel (
CODE STRING,
NAME STRING,
ID INT
) WITH (

'connector' = 'jdbc',
'url' = 'jdbc:mysql://192.168.173.136:3306/e3plus_support?characterEncoding=UTF-8',
'username' = '**',
'password' = '**',
'table-name' = 'bas_channel'
);

CREATE TABLE gds_btgoods (
code STRING,
name STRING,
brandid BIGINT,
id INT
) WITH (
'connector' = 'jdbc',
'url' = 'jdbc:mysql://192.168.173.136:3306/e3plus_goods?characterEncoding=UTF-8',
'username' = '**',
'password' = '**',
'table-name' = 'gds_btgoods'
);

CREATE TABLE bas_brand (
code STRING,
id INT
) WITH (
'connector' = 'jdbc',
'url' = 'jdbc:mysql://192.168.173.136:3306/e3plus_goods?characterEncoding=UTF-8',
'username' = '**',
'password' = '**',
'table-name' = 'bas_brand'
);

CREATE TABLE ord_retail_return_bill (
id BIGINT ,
bill_no STRING ,
relate_order_bill_no STRING ,
complete_date STRING ,
create_date STRING ,
member_id STRING ,
remark STRING ,
member_phone STRING ,
is_web STRING ,
channel_id INT ,
shop_id INT ,
type STRING ,
status INT
) WITH (
'connector' = 'jdbc',
'url' = 'jdbc:mysql://192.168.173.136:3306/e3plus_order?characterEncoding=UTF-8',
'username' = '**',
'password' = '**',
'table-name' = 'ord_retail_return_bill'
);

CREATE TABLE ord_retail_return_gds_de (
id BIGINT ,
qty INT,
tax_inclusive_price DOUBLE,
total_tax_price DOUBLE,
market_price DOUBLE,
remark STRING,
shop_staff_code STRING,
shop_staff_name STRING,
return_bill_id BIGINT,
source_detail_id BIGINT,
goods_id INT
) WITH (
'connector' = 'jdbc',
'url' = 'jdbc:mysql://192