如何将事务行为添加到核心数据服务 (CDS)

Step 1: Open Eclipse

1. Go to your ABAP package created in Create and Expose a Core Data Services Based on a Database Table and open your data definition ZI_BOOKING_XXX to add following statement: root

   

2. Save and activate.

   

Done

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Step 2: Open other repository object

Right-click on your package and navigate to New > Other ABAP Repository Object from the appearing context menu.

Done

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Step 3: Create behavior definition

1. Navigate to Core Data Services, select Behavior Definition and press Next.

    

   

2. Create a behavior definition for booking node/entities.

    

   

3. Click Finish to complete your transport request.

    

   

4. Check result. An empty behavior definition for unmanaged implementation is created.

   

Done

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Step 4: Implement behavior definition

1. Provide an alias (booking) and specify the lock master. Define the table field LastChangedAt for the ETag handling. Replace the following coding:

   swift

   Copy

       implementation unmanaged;
       define behavior for ZI_BOOKING_XXX alias booking
       lock master
       etag LastChangedAt
       {
         create;
         update;
         delete;
       }
   

1.  
2. Save and activate.

   

Done

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Step 5: Create behavior implementation

1. Right-click on your behavior definition and select New Behavior Implementation.

   

2. Provide a name and click Next.

    

   

3. Provide a transport request if required and cli