Re: proposal: multiple psql option -c
От | Pavel Stehule |
---|---|
Тема | Re: proposal: multiple psql option -c |
Дата | |
Msg-id | CAFj8pRD2jGa7EPuVmdx_8pEbd2RG-p_fAzkfr-X1qahJLWOQnw@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: proposal: multiple psql option -c (Robert Haas <robertmhaas@gmail.com>) |
Ответы |
Re: proposal: multiple psql option -c
Re: proposal: multiple psql option -c |
Список | pgsql-hackers |
2015-07-27 20:47 GMT+02:00 Robert Haas <robertmhaas@gmail.com>:
On Mon, Jul 27, 2015 at 2:37 PM, Pavel Stehule <pavel.stehule@gmail.com> wrote:
> 2015-07-27 20:32 GMT+02:00 Robert Haas <robertmhaas@gmail.com>:
>>
>> On Sat, Jul 25, 2015 at 5:27 AM, Pavel Stehule <pavel.stehule@gmail.com>
>> wrote:
>> > It will be nice side effect, but my primary problem was a impossibility
>> > to
>> > combine VACUUM and any other statement to one simple psql call.
>>
>> Seems like you can do that easily enough:
>>
>> [rhaas pgsql]$ (echo 'SELECT 1;'; echo 'VACUUM;'; echo 'SELECT 2;') | psql
>> ?column?
>> ----------
>> 1
>> (1 row)
>>
>> VACUUM
>> ?column?
>> ----------
>> 2
>> (1 row)
>>
>
> how I can do it with xargs?
I don't specifically what you're trying to do, but I bet it's not that hard.
I am trying to run parallel execution
psql -At -c "select datname from pg_database" postgres | xargs -n 1 -P 3 psql -c "select current_database()"
Pavel
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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