On Mon, 13 Jun 2005, Michael Glaesemann wrote:

> On Jun 13, 2005, at 2:07 PM, Pavel Stehule wrote:
> >     I did trivial patch which eliminate limit raise command. Using
> > expressions instead of variables are a little bit expensive, but  
> > little.
> I'm right in thinking this essentially does the same thing as first  
> assigning the value of the expression to a variable and then using  
> the variable in the RAISE statement, correct? This patch just  
> eliminates the step of assigning the value of the expression to the  
> variable? If so, I'd expect the cost to be in line with the cost of  
> explicitly assigning to a variable.

true, total cost is less


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