On 2010-01-28 19:17, Pavel Stehule wrote:
> 2010/1/28 Hitoshi Harada <umi(dot)tanuki(at)gmail(dot)com>:
>> What about get_fn_expr_arg_stable() to check if the argument is stable
>> during aggregate?
> I newer know so this function exists. Now we can
> a) check and allow only stable params
> b) when second parameter is stable, then store it and use it as constant.
> I prefer a)
Someone might have a perfectly good use case for using different
delimiters. I don't think it's a good idea to be artificially limiting
what you can and can't do.
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