SV: Onfly, function generated ID for Select Query

From: Gustavsson Mikael <mikael(dot)gustavsson(at)smhi(dot)se>
To: Durumdara <durumdara(at)gmail(dot)com>, Postgres General <pgsql-general(at)postgresql(dot)org>
Subject: SV: Onfly, function generated ID for Select Query
Date: 2023-03-10 07:33:12
Message-ID: 7e3ca307301b4928a23c3c0a8cc2b576@smhi.se
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Hi,

Is it something like row_number() you want?

https://www.postgresql.org/docs/current/functions-window.html

KR
Mikael
________________________________
Från: Durumdara <durumdara(at)gmail(dot)com>
Skickat: den 10 mars 2023 8:12
Till: Postgres General
Ämne: Onfly, function generated ID for Select Query

Dear Members!

I'm searching for a simple solution, like this:

select GetIDForThisSelect(1, 1) as UID, * from anytablehasdoublestringkey
join othertablehasnotuniqueintegerkey ...
where ....

Ok, I can make a sequence, but I don't want to use persistent data.
It is enough to get 1...N as UID for this select.

Like generate_series, but that is generating rows.

Maybe you have some trick to do this.

Thank you for any assistance!

Best regards
dd

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