What's the best way for me to find out if a given parameter of a 
function is a constant? The context is that it's expensive to process, 
and in most cases will in fact be a constant, so if it is in fact a 
constant I'd like to process it once and stash the results.

cheers

andrew

Responses

• Re: parameter info? at 2013-02-01 04:02:35 from Pavel Stehule
• Re: parameter info? at 2013-02-01 04:17:07 from Tom Lane

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