Re: Pattern Matching question - PG 9.6

^/testfile/client/[0-9]+/attachment/([0-9]{1,14}/master/$|unassigned/)

Kind Regards
~Maciek
On 15 May 2017 at 06:21, Patrick B <patrickbakerbr(at)gmail(dot)com> wrote:

>
>
> 2017-05-15 16:10 GMT+12:00 David G. Johnston <david(dot)g(dot)johnston(at)gmail(dot)com>:
>
>> On Sunday, May 14, 2017, Patrick B <patrickbakerbr(at)gmail(dot)com> wrote:
>>
>>>
>>> Demo: http://dbfiddle.uk/?rdbms=postgres_9.6&fiddle=3c3a3f870eb4d0
>>> 02c5b4200042b25669
>>> <http://dbfiddle.uk/?rdbms=postgres_9.6&fiddle=c2fbb7da5a2397f7cda5126ed239c080>
>>>
>>> The rows that I should be getting are:
>>>
>>> 5 /testfile/client/10/attachment/1000/master/ 10
>>>
>>> 7 /testfile/client/10/attachment/unassigned/file/1001/master 10
>>>
>>> 8 /testfile/client/10/attachment/unassigned/file/1002/master 10
>>>
>>> What am I doing wrong?
>>>
>>
>> Without you explaining why 6 and 9 are invalid it's impossible to say how
>> you should modify your regex to exclude them. You may find positive and
>> negative look-ahead useful though.
>>
>> David J.
>>
>
>
> I thought I have already explained it. Here it goes again. Demo page is:
> http://dbfiddle.uk/?rdbms=postgres_9.6&fiddle=ea61e7e1859bdb
> 7f297f853a9dc0e3d0
>
>
> As you can see, there is a lot of variations for the same file_id (1000).
> File_id (1001/1002) is a new unassigned file, different from the others.
>
> I wanna be able to get ONLY the 'master' variation ( /testfile/client/10/attachment/1000/master/
> ) and the unassigned files variations [if any] (/testfile/client/10/
> attachment/unassigned/file/1001/master | /testfile/client/10/
> attachment/unassigned/file/1002/master).
>
> So on the demo above, only id IN (5,9,10) are valid for me. The SELECT
> that I used as an example is not returning me ONLY the data I need,
> instead, it is returning (almost) everything.
>
>
> To summarize: I wanna use a pattern matching the only returns these rows:
>
> /testfile/client/10/attachment/1000/master/
> /testfile/client/10/attachment/unassigned/file/1001/master
> /testfile/client/10/attachment/unassigned/file/1002/master
>
>
>
> What can I do to fix it?
> Thanks
> P.
>
>
>
>