| From: | "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com> |
|---|---|
| To: | joernbs <joern(dot)jaenecke(at)gmail(dot)com> |
| Cc: | "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Ltree: set of allowed charcters is limited to [A-Za-z0-9_]. Could the dash "-" be included? |
| Date: | 2018-10-27 16:14:43 |
| Message-ID: | CAKFQuwbABEApQRK5UeGs+k5dLX-grD-OqQhHQpv3Cap=RXO_8Q@mail.gmail.com |
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| Lists: | pgsql-general pgsql-hackers |
On Saturday, October 27, 2018, joernbs <joern(dot)jaenecke(at)gmail(dot)com> wrote:
> Dear friends,
>
> I would like to use ltree for search paths in a warehouse application,
> something like "Material-Entry-01.Main-Aisle.
> Shelf-Aisle-R07/R08.R07-12-03"
> Unfortunately I can not use common separators like dash (-) or slash(/)
>
> Documentation states only thes characters [A-Za-z0-9_] are allowed.
> /docs/10/static/ltree.html
>
I don’t see how this would be possible to do with the existing type - too
much potential breakage of existing data. Your example itself shows why
using dash as a separator is a bad idea.
David J.
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