Re: How to assign default values to psql variables?

[Pavel Stehule <pavel.stehule@xxxxxxxxx>]

Hi

2017-02-22 6:00 GMT+01:00 Torsten Förtsch <tfoertsch123@xxxxxxxxx>:

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.