Re: Use Dblink without column defination - Mailing list pgsql-hackers

From Peter Eisentraut
Subject Re: Use Dblink without column defination
Date
Msg-id c942aea1-30c1-60c7-23ef-160e756e608b@enterprisedb.com
Whole thread Raw
In response to Use Dblink without column defination  (Chirag Karkera <chiragkrkr102@gmail.com>)
List pgsql-hackers
On 23.05.22 10:16, Chirag Karkera wrote:
> mesods=> select * from dblink('foreign_server','select * from 
> ods_sch.emp') AS x(a int,b text);
> 
>   a |    b
> 
> ---+---------
> 
>   1 | Gohan
> 
>   1 | Piccolo
> 
>   1 | Tien
> 
> (3 rows)
> 
> This works fine when I specify which columns I want to select.
> 
> Is there something that postgres has without specifying the column names 
> we can fetch the data from dblink.

Not in dblink.  You could use foreign-data wrappers, which have a 
different interface, which you might like better.



pgsql-hackers by date:

Previous
From: Peter Eisentraut
Date:
Subject: Re: Expand palloc/pg_malloc API
Next
From: Robert Haas
Date:
Subject: Re: PostgreSQL 15 Beta 1 release announcement draft