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I saw the below statement in a blog (not sure about its reliability), i want to double check with experts,

"FOR ALL ENTRIES statement will implicitly take care of the DELETE ADJACENT DUPLICATES from the driver itab", pls. let me know is it true?

If so, on what basis the FAE will SORT the driver itab, say , i have an itab as below,

DATA: BEGIN OF it_vbap,

vbeln TYPE vbeln_va,

posnr TYPE posnr,

matnrTYPE matnr,

ntgew TYPE ntgew_ap,

END OF it_vbap.

I wan to get Material descriptions of all the MATNRs in the above said itab, so, i dont need to SORT BY matnr and then, DELETE ADJACENT DUPLICATES COMPARING matnr?

Thank you

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  • Best Answer
    Posted on Jun 05, 2012 at 01:41 PM

    This comes from SAP Abap documentation - read FOR ALL ENTRIES WHERE

    With duplicated rows in the resulting set, the addition FOR ALL ENTRIES has the same effect as if addition DISTINCT were specified in the definition of the selection quantity. Unlike DISTINCT, the rows are not deleted from the database system but are deleted on the application server from the resulting set.

    There is no mention of "adjacent records" in this. In your sample a SELECT FROM MAKT FOR ALL ENTRIES will result in only one record per materiam number. But Open SQL will not always compress the "key list" before executing statement and reading database, read the same record multiple times and collect the whole result before passing data to caller program, so you could compress an internal table of keys for performance, giving the same result set.

    Answer : So you don't need but you can/should.



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