Re: Select Statement

From: Shakespeare <>
Date: Wed, 21 May 2008 08:07:25 +0200
Message-ID: <4833bc25$0$14360$>

<> schreef in bericht
> Hi,
> We have a procedure where we store the SELECT statements in a table,
> and the procedure grabs them from the table and appends the WHERE
> clause.....etc.....
> In a few of the SELECTS we have formulas: A + B, A + B - C, A + B -
> C / D.......
> Sometimes the values that come in are legit, this is no problem.
> Other times they come in a -99999.
> What they want is that for a given formula (A + B), if ANY of the
> values are -99999, then replace that value with a zero and perform the
> formula. Easy, you can use DECODE.
> However, if ALL the values in the formula are -99999, then leave the
> result of the formula as -99999.
> How can this be done? I can use a VERY cryptic DECODE statement.
> But because the number of arguments in the formula can vary.....I do
> not know if I can create a function to be called to process the values
> passed, such as the value and the operator......this would be passing
> arrays from a SQL statement......
> Can this be done????
> Thank you!

My thoughts:
don't put your SQL in a table, create a package with functions that do the calculations. To append the where clause, you might have to use dynamic sql though.

Shakespeare Received on Wed May 21 2008 - 01:07:25 CDT

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