Re: Unsupported effective_io_concurrency platforms

Tom Lane wrote:
> Peter Eisentraut <peter_e(at)gmx(dot)net> writes:
> > Joshua D. Drake wrote:
> > Do we want to give a more informative error message, like "not supported
> > on this platform?"
>
> > The trick will be to fit this into the GUC framework.
>
> You could do it by enforcing the limit in an assign hook, but I'm
> not convinced it's worth the trouble.

I have created a patch to at least display a more helpful message,
without being specific:

test=> set effective_io_concurrency = 1;
ERROR: parameter "effective_io_concurrency" cannot be changed from 0

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Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com

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