| From: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
|---|---|
| To: | Fabien COELHO <coelho(at)cri(dot)ensmp(dot)fr> |
| Cc: | Daniel Verite <daniel(at)manitou-mail(dot)org>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL Developers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Variable substitution in psql backtick expansion |
| Date: | 2017-04-02 10:08:56 |
| Message-ID: | CAFj8pRAFHttfSQdKkiSed47k4v5royXd53f9qJEQjtaKxivHmg@mail.gmail.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
2017-04-02 9:45 GMT+02:00 Fabien COELHO <coelho(at)cri(dot)ensmp(dot)fr>:
>
> Hello Pavel,
>
> For this case can be nice to have function that returns server version as
>> number some like version_num() .. 10000
>>
>
> The server side information can be queried:
>
> SELECT current_setting(‘server_version_num’)
> AS server_version_num \gset
> -- 90602
>
> However client side is not so clean:
>
> \echo :VERSION
> PostgreSQL 10devel on x86_64-pc-linux-gnu, compiled by gcc (Ubuntu
> 5.4.0-6ubuntu1~16.04.4) 5.4.0 20160609, 64-bit
>
> Probably some :VERSION_NUM would make some sense. See attached PoC patch.
> Would it make sense?
It has sense
Pavel
>
>
> --
> Fabien.
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Pavel Stehule | 2017-04-02 10:13:19 | Re: Variable substitution in psql backtick expansion |
| Previous Message | Thomas Mercieca | 2017-04-02 09:27:35 | Moving GiST index constant to parameter |