In DLC, you can use User-Defined Functions to process and construct data, and it supports function management.
Creating function
1. Log in to the DLC Console, select the service region. The account must have database operation permissions.
2. Go to the Data Management Page, click on the database name for which you need to build the function.
3. Select Function, then click on the Create Function button to enter the function creation menu.
The function package can be uploaded locally or use an existing JAR package on COS. Local uploads only support the JAR format, with a maximum size of 5MB.
You need to select a Spark cluster for execution, which will not incur any costs during the operation.
It is recommended to save the function package to the system for easy management and use. It also supports mounting to a specified COS path.
View function information
1. Log in to the DLC Console. The account must have database operation permissions.
2. Go to the Data Management Page, click on the database name of the function you want to view.
3. Select the function to view its Build Status. If the build fails, you can edit and resubmit.
4. Click on the Function Name to directly view the function details.
Editing Function Information
1. Log in to the DLC Console, select the service region. The account must have database operation permissions.
2. Go to the Data Management Page, click on the database name of the function you want to view.
3. Select a Function and click the Edit button to enter the function information editing page.
The function name, storage method, and upload method cannot be modified at this time. If you need to change this information, please recreate the function.
After modifying the function information, it will be rebuilt. Please proceed with caution.
Deleting function
For functions that no longer need to be managed, you can delete them.
1. Go to the DLC Console, select the service region, log in to an account with database operation permissions.
2. Go to the Data Management Page, click on the database name of the function you want to view.
3. Select the function and click the delete button to delete the function that is no longer needed.
Caution
After deletion, the data under this function will be cleared and cannot be recovered. Please proceed with caution.
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