DongLiang-0 opened a new pull request, #152:
URL: https://github.com/apache/doris-flink-connector/pull/152
# Proposed changes
At present, when the mysql database sync to doris , there is a default value
in the field, but the actual data is null, the data cannot maintain consistency.
Like: when mysql schema has a default value and the insertion is ` null `,
the data synchronized to doris uses the default value.
``` sql
CREATE TABLE `test_sink` (
`id` int NOT NULL,
`name` varchar(50) DEFAULT 'test_default',
`age` int DEFAULT '10000',
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
insert into test_sink (id,name,age) values(6, null, 666);
insert into test_sink (id,name,age) values(5, 'zhaoliu', null);
```
## Problem Summary:
Describe the overview of changes.
## Checklist(Required)
1. Does it affect the original behavior: (Yes/No/I Don't know)
2. Has unit tests been added: (Yes/No/No Need)
3. Has document been added or modified: (Yes/No/No Need)
4. Does it need to update dependencies: (Yes/No)
5. Are there any changes that cannot be rolled back: (Yes/No)
## Further comments
If this is a relatively large or complex change, kick off the discussion at
[[email protected]](mailto:[email protected]) by explaining why you
chose the solution you did and what alternatives you considered, etc...
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