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Difference Between ABAP on Cloud & Restful ABAP Programming Model (RAP)

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former_member39336
Advisor
Advisor

on ‎2020 Oct 28 6:41 AM

6,482

Hello Experts,

i keep on listening the word ABAP on Cloud these days. i know the back ground of RAP. i would like to know how it differs from ABAP on Cloud. or Would these 2 are one and the same.

Could any one gives me a clarification on this topic.

Regards

Sri Ram

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matt
Active Contributor
‎2020 Oct 28 8:48 AM
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My understanding is that ABAP on the Cloud is to ABAP RAP as the ABAP Workbench tools in SAPGui are to ABAP on premise.

I.e. ABAP on the Cloud includes creating CDS views, or database tables etc. and ABAP RAP is the programming language you use to - e.g. create reports. ABAP RAP is not currently as rich a language as the ABAP you may be used to.

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Astashonok
Participant
‎2020 Oct 28 10:43 AM
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ABAP RAP is not a separate language but rather a framework or dialect, and what concerns "is not rich", it depends. CDS views, virtual models and AMDP functions are definitely more powerful than everything you can do in ABAPsql (former OpenSQL). Casts, associations, sophisticated joins etc.

matt
Active Contributor
‎2020 Oct 28 7:57 PM

Some people try to tell me that Swiss German isn't a separate language - just a dialect. It's either a language or a dialect - the distinction is a matter of opinion. ABAP RAP is a language in it's own right, in that it is Turing Complete; it is a cut down version of on-premise ABAP (ABAP 7.4 up, technologically, or ABAP for Fiore in marketing-speak). ABAP RAP can also be used to describe the framework.
SAP is wonderful in a kind of Humpty Dumpty way - words (or acronyms) can mean anything you like.

Considering RAP as a langauge (sorry, dialect...) The reason I say that ABAP RAP is not as rich, is that ABAP RAP, as it is evolving, is gaining features that are already part of ABAP-on premise.

CDS views and AMDP classes exists in ABAP on-premise - it's not exclusively a RAP thing. CDS views aren't part of the ABAP programming language - whether RAP or not - they are part of on cloud and on premise ABAP development environment.

TL;DR

On cloud is a real thing. ABAP is a programming language. Everything is marketing vapourware. In my opinion... 😉

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