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https://issues.apache.org/jira/browse/FLINK-20851?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17297326#comment-17297326
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Jark Wu commented on FLINK-20851:
---------------------------------
We have refactored the implementation of {{SELECT}} query of SQL Client in
FLINK-18550. I think this problem should have been fixed as the new way uses
new type system. Could you try again on the latest master branch?
> flink datagen produce NULL value
> --------------------------------
>
> Key: FLINK-20851
> URL: https://issues.apache.org/jira/browse/FLINK-20851
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Planner
> Affects Versions: 1.12.0
> Environment:
> Reporter: appleyuchi
> Priority: Major
> Fix For: 1.13.0
>
> Attachments: datagen報錯.png
>
>
> ````
> CREATE TABLE orders (
> order_uid BIGINT,
> product_id BIGINT,
> price DECIMAL(32, 2),
> order_time TIMESTAMP(3)
> ) WITH (
> 'connector' = 'datagen'
> );
> SELECT * FROM orders;
> ````
> This DDL will produce NULL for column price.
> but it's ok in
> https://github.com/knaufk/flink-sql-cookbook/blob/master/recipes/01/01_create_table.md
> ①If it's the flink-sql-cookbook's fault,tell me please,
> Could you please tell me the right syntax for it?
> ②If it's the flink's bug,fix it please.
> Thanks for your help.
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