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XS Classic or XS Advanced

Hi Hana Experts,

Well i am trying to understand the new architecture of Hana from SP11 onwards. About to start development in XSA, below are few questions which i am unclear or doubtful about:

  • How can i convert my existing XS classics apps to XSA? ( Aware that there is a XSJS mode in Node.js, but want to know more about it).
  • Any harm in continuing development in XS Classic?
  • Migration Tool in Hana XSA?

Please feel free to share your views as they are very valuable to me.

Thanks,

Ashwin

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  • Posted on Aug 23, 2016 at 12:24 PM

    > How can i convert my existing XS classics apps to XSA? ( Aware that there is a XSJS mode in Node.js, but want to know more about it).

    What would you like to know about the XSJS compatibility module? Have you had a look at the openSAP course?Software Development on SAP HANA (Delta SPS 11) - Thomas Jung and Rich Heilman | openSAP

    >Any harm in continuing development in XS Classic

    At some point XSC will go away and you will have to migrate to XSA.

    >Migration Tool in Hana XSA?

    Migration assistant is planned for December 2016; but it will never be a 100% automated migration tool. There are too many concepts that are different. The migration will help with syntax differences, but redesign is often needed to deal with conceptual differences.

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    • Its mostly a cut a paste. As described in the course there are a few differences created by HDI containers. For instance you should no longer reference the Schema in any SQL you might have in your XSJS code. There are some minor differences caused by the change from SpiderMonkey to V8. Most the $ APIs are supported, except those which weren't released for customer usage in the first place (IE $.repo).

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