2010/1/28 Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>:
> Pavel Stehule <pavel(dot)stehule(at)gmail(dot)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, tom lane
In response to
pgsql-hackers by date
|Next:||From: Greg Smith||Date: 2010-01-29 07:45:05|
|Subject: Re: WARNING: pgstat wait timeout|
|Previous:||From: Pavel Stehule||Date: 2010-01-29 07:32:53|
|Subject: Re: can somebody execute this query on Oracle 11.2g and send result?|