Re: Passing parameters

Hi Denise!

* Ferrell, Denise D CTR NSWCDD, H11 (denise(dot)ferrell(dot)ctr(at)navy(dot)mil) wrote:
> Using PostgreSQL v9.3 on Linux Red Hat...
>
> I've got a script that I'm running from the Linux command prompt that I need to pass 2 parameter's into the psql script without using the VI Editor. Is there an easy way to accomplish this?
>
> psql <database> -f <scriptname> -l <log_file>

It really depends on how you want to use the variables in the script.

psql has a '-v' option which you can use to set variables that can be
used with the ':varname' syntax inside of the script, for example:

psql -v table=abc -f script.sql

Inside of script.sql you can then have ':table', like so:

select * from :table;

and that ':table' will be replaced by 'abc' when psql is run with the
'-v table=abc' parameter.

Hope that helps!

Thanks!

Stephen