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https://issues.apache.org/jira/browse/FLINK-30126?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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melin updated FLINK-30126:
--------------------------
    Description: Data platform has registered many relational database data 
sources such as mysql, data source code is used as the catalog name, we are not 
sure which data source needs to register the catalog in flink, we hope that the 
required catalog can be dynamically loaded when sql is executed, flink provides 
the interface. Users can customize the registration catalog  (was: Data 
platform has registered many relational database data sources such as mysql, 
data source code is used as the catalog name, we are not sure which data source 
needs to register the catalog in flink, we hope that the required catalog can 
be dynamically loaded when sql is executed, flink provides the interface. Users 
can customize the register time catalog)

> Delay registration of the catalog, register the catalog as needed
> -----------------------------------------------------------------
>
>                 Key: FLINK-30126
>                 URL: https://issues.apache.org/jira/browse/FLINK-30126
>             Project: Flink
>          Issue Type: New Feature
>            Reporter: melin
>            Priority: Major
>
> Data platform has registered many relational database data sources such as 
> mysql, data source code is used as the catalog name, we are not sure which 
> data source needs to register the catalog in flink, we hope that the required 
> catalog can be dynamically loaded when sql is executed, flink provides the 
> interface. Users can customize the registration catalog



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