Re: How to assign default values to psql variables?

Hi

2017-02-22 6:00 GMT+01:00 Torsten Förtsch <tfoertsch123(at)gmail(dot)com>:

> Hi,
>
> I have a psql script relying on variables passed in on the command line
> with -v.
>
> Is there any way to assign a default value in case the -v option is
> forgotten?
>
> Here is an example with pgtap:
>
> select diag('should be printed only in verbose mode') where :testverbose;
>
> This can be called with -v testverbose=true or -v testverbose=false.
> However, if the assignment is forgotten, it breaks. I'd like to behave it
> as if testverbose=false was passed.
>
>
Currently there is not any scripting functionality in psql. In patch pool
is the basic scripting in psql support patch \if, \else \endif - and then
you can do it. But not now.

Regards

Pavel

> Thanks.
>