updated version, concat function doesn't use separator
Pavel
2010/3/9 Pavel Stehule <pavel.stehule@gmail.com>:
> 2010/3/9 Merlin Moncure <mmoncure@gmail.com>:
>> On Tue, Mar 9, 2010 at 9:30 AM, Pavel Stehule <pavel.stehule@gmail.com> wrote:
>>> postgres=# select concat('ahaha',10,null,current_date, true);
>>> concat
>>> ------------------------
>>> ahaha,10,,2010-03-09,t
>>
>> why are there commas in the output?
>>
>
> I though so comma can be default separator - but I see - it is wrong -
> separator have to be empty string.
>
> Pavel
>
>
>> merlin
>>
>