ABAP – Abaython

What are the different query option in ODATA-URL

The OData URL can be modified to represent the corresponding results. It provides various Filter options $Filter: It is like the WHERE condition. The below URL in the browser returns the products with the price less than 100. https://services.OData.org/v3/OData/OData.svc/Products?$filter=Price lt 100 $Select: It is used to display only the respective columns of the table. https://services.OData.org/v3/OData/OData.svc/Products?$select=ID,Categories […]

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$count Query option in SAP OData Service

ABAP / ABAYTHON

$count Query option counts the number of entries in the table. https://services.OData.org/v3/OData/OData.svc/Products/$count The above URL renders the result of total no of products ‘11’ in the browser.

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SAP OData Services Transaction codes

ABAP / ABAYTHON

The four important SAP Transaction codes for ODATA Service /nSEGW –> This Transaction is used to create an OData service in the Backend. /n/IWFND/MAINT_SERVICE –> Register the OData service in the frontend. /n/IWFND/GW_CLIENT –> Execute the HTTP Method in the frontend. /n/IWFND/ERROR_LOG –> To view the Error logs in the OData Service.

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How do you call a function import in SAP ODATA Service

ABAP / ABAYTHON

Function imports: They are useful in performing predefined actions in the system. Function imports are implemented when the implementation cannot be done using the CRUD-Q Methods Steps to create a function import in ODATA Service Go to the Transaction SEGW ( Gateway service builder ) and open the Project. Expand the ‘Project’ and choose the

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How to create an OData Service in SAP

ABAP / ABAYTHON

The OData service is developed on a new project in the SAP system. Therefore start with the Transaction SEGW. Click New in the toolbar. Please enter a new project name and a short description on the popup fenster. Define also a package and finally confirm the entries through tick mark. A new project is now

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What is the difference between data reference and object reference in SAP ABAP

ABAP / ABAYTHON

PARAMETER DATA OBJECT DEFINITION DATA lr_ref TYPE REF TO data. DATA lr_object TYPE REF TO object. CREATION CREATE DATA lr_ref TYPE REF TO (‘ZIF_INSTANCE’). CREATE OBJECT lr_object TYPE (‘ZCL_CLASS’). DEREFERENCE It can be dereferenced. The object or any value can be assigned to dereferenced reference variable.lr_ref->* = lr_object Object references cannot be dereferenced. This notation

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What is OData service in SAP

ABAP / ABAYTHON

It is a http type protocol The protocol is between the other applications (Web browser etc) and SAP system. The OData-open data protocol supports two formats Atom and JSON. It can also be controlled in different ways through URLs. It follows the REST Architecture (Client/Server). The Data from the source side and the server side

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How does OData service works

ABAP / ABAYTHON

OData services works through entity sets and entities. Data is represented in the form of Tables. Tables are referred as Entity sets and the lines of record are referred as entities. The Data is accessed through the following OData methods. These OData methods are referred as CRUD methods. OData Method Http Method Description and its

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What is an OData service document

ABAP / ABAYTHON

OData service document represents a service which includes entity sets, uniform resource identifier (URI) It can be opened through the browser with the URI / URL For example, let us consider the following OData service. http://services.odata.org/v3/OData/OData.svc/ If you open this URL in browser, it shows up the different entity sets. As you can see in

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What is OData metadata document

ABAP / ABAYTHON

The OData service defines a structure for every entity set. It also mentions about Datatype for each field. The Entity set is based on tables. This structure is called as entity type in OData service. The Entity types are mentioned in the metadata document. The metadata document exposes all the metadata of the OData service.

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