How to Generate a HANA CDS Wrapper View

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To open the application, please complete the following:

Download the source code from SAP NOTE under the following link: https://launchpad.support.sap.com/#/notes/2589286

To generate from command prompt, please complete the following:

• Download and install the Node.js application.


• Open the js command prompt.


• Using the command npm install, install the dependent packages from the command prompt .


• Open the folder hana-cds-wrapper-generator-master/view-generator and execute js.

• Next, open localhost with port 3000 in the browser to view the application

To generate from WEBIDE, please complete the following:

• Clone the source code from the git repository to WEBIDE.


• Right click on the project hana-cds-wrapper-generator and select Project > Project Settings

• Enter the cloud foundry configuration details, including the API, organization, and the space where you want to build the project.


• Choose Save.

• Right click on the project and select Build > Build.

• Once you have successfully completed the build, select the view-generator folder to run the project

• The application URL will be generated once the run script has started.

 

The following options are available to generate the HANA CDS Wrapper View:

• XS Classic for HDBDD


• XS Advanced for HDBCDS

To generate the view from the app using XS Classic, please complete the following:

• Select XS Classic from the application.


• Enter the Namespace, Source Schema and Target Schema.

• Choose Generate & Download to download.


• The HANA CDS Wrapper View generator file will be downloaded.

To generate the view from the app using XS Advanced, please complete the following :

• Select XS Advanced from the application to generate the HANA 2.0 CDS view (.HDBCDS) file.

• Enter the input values for Namespace and Logical System.


• Check the Disable Type Cast box to ensure increased performance.

• Choose Generate & Download.

• The HANA CDS Wrapper View generator file will be downloaded.

Result: You have now successfully generated a HANA CDS Wrapper View.

Note: For the deployment HANA Wrapper Views to HANA DB, please refer to the blog