2010/1/28 Tom Lane <t...@sss.pgh.pa.us>: > Pavel Stehule <pavel.steh...@gmail.com> writes: >> with get_fn_expr_arg_stable() we are able to fix second parameter >> without some performance issues. > > No, that will create its own performance issues --- > get_fn_expr_arg_stable isn't especially cheap. > If there were a really strong reason why we had to do it, > then I'd agree, but frankly the argument for disallowing > a variable delimiter is too thin.
it could be called only once. But I agree, so could be better, check it in parser time. ok - I am only one who like original behave - so I am withdrawing. Robert, If you like, please commit Itagaki's patch. + add note about behave when second parameter isn't stable. Regards Pavel Stehule > > regards, tom lane > -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
