Re: [HACKERS] Allowing dash character in LTREE

[Cyril Auburtin]

interesting, but I like '.' as path separator, it's url-friendly, and easy

I used some simple `pathTEXT CHECK (path ~ '^[\w.-]+$')` but now I
regret it, because it's not as easy to index and optimize requests

2017-05-21 11:28 GMT+02:00 Manuel Kniep :

>
>
>
>
> Manuel Kniep
> Danziger Str. 116
> 10405 Berlin
> Am 20.05.2017 um 10:27 schrieb Cyril Auburtin :
>
> It could be useful to allow the `-` char in allowed LTREE label characters  
> (currently
> a-zA-Z0-9_ https://
> https://
> github.com/adjust/ltreewww.postgresql.org/docs/9.6/static/ltree.html)
>
>
> There is a patched version here
> https://github.com/adjust/ltree
>
> Which allows almost any char but uses '::' as label separator my it's an
> inspiration to do your own patch.
>
> Manuel
>
>
>

Re: [HACKERS] Allowing dash character in LTREE

[Manuel Kniep]

Manuel Kniep
Danziger Str. 116
10405 Berlin
> Am 20.05.2017 um 10:27 schrieb Cyril Auburtin :
> 
> It could be useful to allow the `-` char in allowed LTREE label characters  
> (currently a-zA-Z0-9_ 
> https://https://github.com/adjust/ltreewww.postgresql.org/docs/9.6/static/ltree.html)

There is a patched version here
https://github.com/adjust/ltree

Which allows almost any char but uses '::' as label separator my it's an 
inspiration to do your own patch. 

Manuel 

Re: [HACKERS] Allowing dash character in LTREE

[David G. Johnston]

On Sat, May 20, 2017 at 11:26 AM, Cyril Auburtin 
wrote:

> Ah sorry, first time, I thought it didn't pass
>

​You should check our excellent online mailing list archives before
re-sending.

https://www.postgresql.org/list/

David J.
​

Re: [HACKERS] Allowing dash character in LTREE

[Cyril Auburtin]

Ah sorry, first time, I thought it didn't pass

It's to support multiple ids (base64 ones are frequent) (or uuid's) in a
path. I think it's more practical than an array, for searching and sorting

But I understand that LTREE's main purpose is probably more for words
'breadcrumbs' etc..

2017-05-20 18:31 GMT+02:00 David G. Johnston :

> On Sat, May 20, 2017 at 1:27 AM, Cyril Auburtin 
> wrote:
>
>> It could be useful to allow the `-` char in allowed LTREE label
>> characters  (currently a-zA-Z0-9_ https://www.postgre
>> sql.org/docs/9.6/static/ltree.html)
>>
>> The reason is to allow to use more easily base64 ids, (like
>> https://github.com/dylang/shortid, ...), uuid's too in labels
>>
>> `-` is also not used as a query operator as a plus
>>
>>
>> source: https://doxygen.postgresql.org/ltree_8h.html#a1cb5d5
>> dd0c364d720854e8a250967dd1
>>
>
> ​This is the third time you've posted this suggestion.  Its been seen by
> the people you are sending it to.
>
> I don't follow how this helps for UUID - they are not usually generated
> hierarchically​...
>
> I'll +1 the thought, but I won't be providing a patch.
>
> David J.
>
>

Re: [HACKERS] Allowing dash character in LTREE

[David G. Johnston]

On Sat, May 20, 2017 at 1:27 AM, Cyril Auburtin 
wrote:

> It could be useful to allow the `-` char in allowed LTREE label characters  
> (currently
> a-zA-Z0-9_ https://www.postgresql.org/docs/9.6/static/ltree.html)
>
> The reason is to allow to use more easily base64 ids, (like
> https://github.com/dylang/shortid, ...), uuid's too in labels
>
> `-` is also not used as a query operator as a plus
>
>
> source: https://doxygen.postgresql.org/ltree_8h.html#a
> 1cb5d5dd0c364d720854e8a250967dd1
>

​This is the third time you've posted this suggestion.  Its been seen by
the people you are sending it to.

I don't follow how this helps for UUID - they are not usually generated
hierarchically​...

I'll +1 the thought, but I won't be providing a patch.

David J.

[HACKERS] Allowing dash character in LTREE

[Cyril Auburtin]

It could be useful to allow the `-` char in allowed LTREE label
characters  (currently
a-zA-Z0-9_ https://www.postgresql.org/docs/9.6/static/ltree.html)

The reason is to allow to use more easily base64 ids, (like
https://github.com/dylang/shortid, ...), uuid's too in labels

`-` is also not used as a query operator as a plus


source: https://doxygen.postgresql.org/ltree_8h.html#
a1cb5d5dd0c364d720854e8a250967dd1

[HACKERS] Allowing dash character in LTREE

[Cyril Auburtin]

I propose to allow the `-` char in allowed label characters (currently
a-zA-Z0-9_ https://www.postgresql.org/docs/9.6/static/ltree.html)

The reason is to allow to use more easily base64 ids, (like
https://github.com/dylang/shortid, ...), uuid's too in labels

`-` is also not used as a query operator as a plus



source: https://doxygen.postgresql.org/ltree_8h.html#
a1cb5d5dd0c364d720854e8a250967dd1

[HACKERS] Allowing dash character in LTREE

[Cyril Auburtin]

I propose to allow the `-` char in allowed label characters

The reason is to allow to use more easily base64 ids, (like
https://github.com/dylang/shortid, ...), uuid's too in labels

`-` is also not used as a query operator as a plus



source:
https://doxygen.postgresql.org/ltree_8h.html#a1cb5d5dd0c364d720854e8a250967dd1