From: | Alexander Myodov <amyodov(at)gmail(dot)com> |
---|---|
To: | Basil Bourque <basil(dot)bourque(at)gmail(dot)com> |
Cc: | pgsql-jdbc(at)lists(dot)postgresql(dot)org |
Subject: | Re: (How to) Make SQLData of UUID? |
Date: | 2019-07-21 23:43:20 |
Message-ID: | CAHF95JwePa0h38KsWRm-jTbQAdKcbjRrGAQuzHK1JSG8u9guOQ@mail.gmail.com |
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Lists: | pgsql-jdbc |
Not so much, sorry :(
The problem is not in making a PL/PgSQL function returning an UUID. Or even
returning a custom type containing an UUID (like MYFUNC_RETURN_TYPE in my
case). The problem is on Java level, when I need to make a Java
handler/mapping of PostgreSQL custom type (which contains an UUID
internally).
For now I, instead of out.writeObject, made it through
out.writeString(key.toString()), but I am very unsure if this is how it
should be done. And if the opposite way, key = (UUID) in.readObject() is
also safe.
пн, 22 июл. 2019 г. в 02:09, Basil Bourque <basil(dot)bourque(at)gmail(dot)com>:
> Any hints please?
>
>
> Does this Answer by Gopinagh.R on Stack Overflow help?
>
> https://stackoverflow.com/a/14197445/642706
>
> CREATE OR REPLACE FUNCTION generatesurrogat() RETURNS uuid AS$BODY$DECLARE
> uid UUID;BEGIN
> uid:=(select uuid_generate_v1());
> RAISE NOTICE 'My UUID is %',uid;return uid;END$BODY$
> LANGUAGE plpgsql VOLATILE
> COST 100;
>
>
>
> —BB
>
--
Alex Myodov
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