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Re: evaluating equation stored in a string

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SunWuKung wrote:
However I have a problem with this cast. I don't know how to handle
brackets in the equation, since

SELECT 35/124 ::numeric
--0.28....

while

SELECT (35/124) ::numeric
-- 0

The brackets aren't your problem, your numbers aren't as accurate as the result you require. An eval() function would give the same results. You'll want this instead:

SQL> select (35.0/124.0)::numeric;
        numeric
------------------------
 0.28225806451612903226


Regards,
--
Alban Hertroys
alban@xxxxxxxxxxxxxxxxx

magproductions b.v.

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