Re: Unique UUID value - PostgreSQL 9.2

On 16 March 2016 at 10:30, David G. Johnston <david(dot)g(dot)johnston(at)gmail(dot)com>
wrote:

> On Tue, Mar 15, 2016 at 2:01 PM, drum(dot)lucas(at)gmail(dot)com <
> drum(dot)lucas(at)gmail(dot)com> wrote:
>
>>
>>>>
>>> Not reading the documentation for functions you've never heard of makes
>>> the list.
>>>
>>> David J.
>>>
>>
>> INSERT INTO junk.test1 (account_id, code, info)SELECT account_id, uuid_generate_v4(), infoFROM junk.test2;
>>
>> It works but I get data like:
>>
>> abc77f31-0ee6-44fd-b954-08a3a3aa7b28
>> f307fb42-23e5-4742-ab8f-8ce5c0a8e852
>>
>> *Is it possible to do the same, but with TEXT on the beginning?*
>>
>> Example:
>>
>> test_32152563bdc4db11aa
>>
>> test_321525694417ad6b5f
>>
>>
> ​Yes, it is possible. Did you even try?
>
> "test" in that example is called a string. There are bunch of functions
> and operators that work with strings. They are documented here:
>
> http://www.postgresql.org/docs/9.4/static/functions-string.html
>
> You'll find the ones that "concatenate" - which basically is a fancy way
> to say: "to combine" or "to join together" - to be quite useful when faced
> with problems of this sort.
>
> David J.
>
>
I wouldn't ask if I wouldn't have tested it!

Will have a look.

Lucas