Обсуждение: String Formula to calculate the value

ram subbu wrote:
>     I am having a formula String
> say====> (a+b*c)/2
> I need to pass the dynamic value to these a,b,c
>
> and i need to calculate the value.
> please help me out to write a procedure to do all these stufs.

The easiest way I can think of is to use string replacement to
replace the letters with the numbers. You can do that in Java,
but also in a PL/pgSQL function.

Then execute "SELECT <formula after replacement>", which will give
you the result.

Yours,
Laurenz Albe