function & a transform

sasi_kumarreddy · Post by **sasi_kumarreddy** » Mon Dec 12, 2005 4:34 am

Hi all,

will any body let me know the difference between a DS Function and a DS Transform.

ArndW · Post by **ArndW** » Mon Dec 12, 2005 4:49 am

Many people have answered that question in this forum before. Doing a search will return many helpful threads, including this one.

rkdatastage · Post by **rkdatastage** » Mon Dec 12, 2005 4:58 am

Hi
A Transforms is a single line of code that can be used in derivations and constraints. During compilation, the source code is substituted into the job design information and then compiled in. Changing the Transform requires recompiling all jobs that use it.
where as a Function is a user-created function that can be utilized just like internal BASIC functions to derive or calculate something. As an external function, it is self-contained. It is used by jobs mostly in derivations and constraints. It is utilized inline during an expression, as opposed to CALLed

RK

loveojha2 · Post by **loveojha2** » Mon Dec 12, 2005 5:02 am

rkdatastage wrote:Hi
It is utilized inline during an expression, as opposed to CALLed

RK

You mean when we use a function within an expression it acts as inline?

I doubt

kcbland · Post by **kcbland** » Mon Dec 12, 2005 6:30 am

loveojha2 wrote: I doubt

Too bad, RK is right.

sasi_kumarreddy · Post by **sasi_kumarreddy** » Mon Dec 12, 2005 6:50 am

thank you for the reply