| From: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
|---|---|
| To: | Merlin Moncure <mmoncure(at)gmail(dot)com> |
| Cc: | PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: patch (for 9.1) string functions |
| Date: | 2010-03-09 18:45:59 |
| Message-ID: | 162867791003091045i77e28cd2i5d0951250fbf8e2a@mail.gmail.com |
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| Thread: | |
| Lists: | pgsql-hackers |
updated version, concat function doesn't use separator
Pavel
2010/3/9 Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>:
> 2010/3/9 Merlin Moncure <mmoncure(at)gmail(dot)com>:
>> On Tue, Mar 9, 2010 at 9:30 AM, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)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
>>
>
| Attachment | Content-Type | Size |
|---|---|---|
| stringfunc.diff | application/octet-stream | 40.4 KB |
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