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author's profile photo Sujeet Acharya
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Sujeet Acharya

Casting of Data Types

Posted on Dec 17, 2004 at 06:36 AM 183 Views

Hi All ,

I want to know if casting of data types is possible in ABAP. I mean if I have declared a datatype as

data : x type char5.

and Now I want to make x as char10.

Is there any method to achieve this?

Thanks and regards

Sujeet

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4 Answers

  • Best Answer
    author's profile photo Serdar Simsekler
    Serdar Simsekler
    Posted on Dec 17, 2004 at 08:41 AM
    2

    Hi Sujeet

    If your requirement suits, you can use dynamic programming which is a nice feature of ABAP.

    You can use field-symbols (think them of as aliases for fields) or generic variables.

    For more information I recommend the e-class "Advanced" target="_blank">https://www.sdn.sap.com/sdn/elearning.sdn?class=/public/eclasses/teched04/ABAP351.htm">"Advanced and Generic Programming in ABAP".

    As a last thing, let me introduce you the SDN forums pointing system: You can assign points to posts which help you solving your problem. You can reward points by clicking the yellow star icon at header of each post. You can assign:

    - one 10 points (solved)

    - two 6 points (very helpful answer)

    - many 2 points (helpful answer)

    Kind regards...

    *--Serdar

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  • author's profile photo Former Member
    Former Member
    Posted on Dec 17, 2004 at 06:47 AM
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    Why don't you use Field-Symbols, you can use it for any type, not just characters and of any length ?

    data: x type char5,
      y type char10.
FIELD-SYMBOLS : <FS> TYPE ANY.
assign x to <FS>.
write : <FS>.
assign y to <FS>.
write: <FS>.

    Secondly, I don't think it would be possible to cast from a lower length character type to a higher length character type.

    You can do casting in <b>ASSIGN</b>.

    Regards,

    Subramanian V.

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  • author's profile photo Former Member
    Former Member
    Posted on Dec 17, 2004 at 06:59 AM
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    Hello Sujeet,

    Once you have declared the variable x with the type CHAR5, you cannot change the type of this variable.

    However, you have the option of using a field-symbol. You can declare a generic field symbol and assign to it any data object of any length (or type). Consider this example.

    field-symbols <fs> type any.

data : char1(5) type c value 'SAPAG',
       char2(8) type c value 'SAPINDIA'.

assign char1 to <fs>.
write <fs>.

assign char2 to <fs>. 
write <fs>.

    Get back if you still have any doubts.

    Regards,

    Anand Mandalika.

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  • author's profile photo Klaus Ziegler
    Klaus Ziegler
    Posted on Dec 17, 2004 at 08:32 AM
    0

    Casting is possible using field-symbols. There are various options around the ASSIGN command. However casting char5 to char10 is problematic, since the original is smaller than the target representation.

    Kind Regards

    Klaus

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