Обсуждение: postgres connection with port option in shell script

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postgres connection with port option in shell script

От
Abhra Kar
Дата:

Hi,

      I want to get postgres connection in script file. I am executing below command and successfully getting connected --- 


psql postgresql://$USER:$PASSWORD@$HOST/$DATABASE <<END


select * from abc;


This is executing with default 5432 port.If postgres is installed to any other port then port option need to be include here[Don't want to take port from .pgpass file].

How I can modify this command with PORT option.


Thanks 


Re: postgres connection with port option in shell script

От
Andreas Kretschmer
Дата:

Am 14.02.2018 um 16:21 schrieb Abhra Kar:
>
> Hi,
>
>       I want to get postgres connection in script file. I am executing 
> below command and successfully getting connected ---
>
>
> psql postgresql://$USER:$PASSWORD@$HOST/$DATABASE <<END
>
>
> select * from abc;
>
>
> This is executing with default 5432 port.If postgres is installed to 
> any other port then port option need to be include here[Don't want to 
> take port from .pgpass file].
>
> How I can modify this command with PORT option.
>
>
> Thanks
>
>

   postgresql://[user[:password]@][netloc][:port][,...][/dbname][?param1=value1&...]


Rgards, Andreas

-- 
2ndQuadrant - The PostgreSQL Support Company.
www.2ndQuadrant.com

Re: postgres connection with port option in shell script

От
"David G. Johnston"
Дата:
On Wed, Feb 14, 2018 at 8:21 AM, Abhra Kar <abhra.kar@gmail.com> wrote:

Hi,

      I want to get postgres connection in script file. I am executing below command and successfully getting connected --- 


psql postgresql://$USER:$PASSWORD@$HOST/$DATABASE <<END



If all you are going to do is substitute environment variables into a URI why not just identify the environment variables that psql uses directly, set those, and call "psql" directly.​

select * from abc;


This is executing with default 5432 port.If postgres is installed to any other port then port option need to be include here[Don't want to take port from .pgpass file].


​You couldn't even if you wanted to.​  Did you maybe mean the .pg_service.conf file?

You should strongly consider using .pgpass instead of "$PASSWORD" - especially depending upon where perform the export.
 

How I can modify this command with PORT option.


​https://www.postgresql.org/docs/10/static/libpq-connect.html#LIBPQ-CONNSTRING

​David J.

Re: postgres connection with port option in shell script

От
Abhra Kar
Дата:


On Wed, Feb 14, 2018 at 9:03 PM, David G. Johnston <david.g.johnston@gmail.com> wrote:
On Wed, Feb 14, 2018 at 8:21 AM, Abhra Kar <abhra.kar@gmail.com> wrote:

Hi,

      I want to get postgres connection in script file. I am executing below command and successfully getting connected --- 


psql postgresql://$USER:$PASSWORD@$HOST/$DATABASE <<END



If all you are going to do is substitute environment variables into a URI why not just identify the environment variables that psql uses directly, set those, and call "psql" directly.​

select * from abc;


This is executing with default 5432 port.If postgres is installed to any other port then port option need to be include here[Don't want to take port from .pgpass file].


​You couldn't even if you wanted to.​  Did you maybe mean the .pg_service.conf file?

You should strongly consider using .pgpass instead of "$PASSWORD" - especially depending upon where perform the export.
 

How I can modify this command with PORT option.



​David J.




Hi David, 
                 I meant .pgpass file with in user home directory.And I followed the link you provided.It worked.Thanks a lot.

Regards,
Abhra