Tag: abap
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How to enable a value help in a CDS view for Fiori Elements?
In this short tutorial, I would like to show you how to simply apply a value help to your CDS fields by simply annotate them with another database table. First of all, we need a simple database table, that already contains some information. We have here a table (ZAIRORTS) containing two entries with airport id…
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How to register a validation event in SAP RAP for create and update?
At a certain point in our RESTful Application Programming (RAP) model, we want maybe to extend it with our own logic. Mostly, we want to this, when we create or update an entry in our database, as in the following image: After we continue from this dialog and click save, we want to trigger our…
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The different behavior files in SAP RAP
I’m new in SAP RESTful application programming and I had to figure out, how the different files of behavior project, definition and implementation works. When we create a RAP project depending on our ZCONNECTIONS database table, we receive by default the following files: In this post, we focus on the arrow noted files, where we…
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Convert a selection range table to the alpha numbers for later queries
If you have an OData service, where you fetching a data type, that has an alpha conversion routine active, you may have experienced also the problem, that you need to convert your select options to work properly with SQL queries. To do that, we create a small private method in our gateway class. Before we…
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How to add a generic filter for an OData service?
You may want to automate the filter for your already retrieved data from the OData service in ABAP. This allows you to just send that data back, that the frontend has been requested. Please note that you already need an internal table, filled with all the data, in the best case also unfiltered to use…
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How to automatically order your entity set in an OData service in ABAP?
If you want to give the $orderby property via an OData service an automatically sort function, you can simply use a small piece of code, to adjust the entity set, which will be later returned to the OData gateway classes in ABAP. You can see the IT_ORDER importing parameter in the signature of the GET_ENTITYSET…
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Counting chars or entries in new ABAP syntax
May you wanted to count the length of a simple string or the total rows of an internal table. With the new ABAP syntax, it is possible to get these counts and lengths within the same line. Counting characters in a string With this method you can easily check the length of the string at…
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Resize an image with ABAP to create a thumbnail
In this small tutorial, you will see how to turn your image for example from a DMS in a SAP ECC system to a new image size. This allows you to simply publish a smaller image size to your client for example via an OData service and improves therefore the load speed. To be able…
