Re: How to assign variable in array value inside function proc.

Thanks David!! This helped.

On Thursday, October 28, 2021, David G. Johnston <david(dot)g(dot)johnston(at)gmail(dot)com>
wrote:

> On Thursday, October 28, 2021, aditya desai <admad123(at)gmail(dot)com> wrote:
>>
>>
>> How to assign variable values in v_message in Function 2 and pass to
>> function 1. How can I do this? Instead of COLUMN1,OLDVALUE1,NEWVALUE1 it
>> should take variables assigned.
>>
>>
> In pure sql I would do:
>
> ARRAY[col1, col2, col3]::type[]
>
> To create an array using column references as inputs instead of literals.
>
> Likewise, for a composite type:
>
> (co1, col2, col3)::type
>
> You will probably need to use those constructs as fragments in your
> pl/pgsql code to build up the array of composites from variables/columns as
> opposed to trying to write a text literal.
>
> If you want to write a literal, though, you may find the format() function
> to be helpful (and a sight easier to read, and generally safer, than string
> concatenation, which would be your option of last resort.
>
> David J.
>
>
>