SQL query --- big question??? - Mailing list pgsql-sql

From Andrei Bintintan
Subject SQL query --- big question???
Date
Msg-id 007e01c4083f$5fb78100$0b00a8c0@forge
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Responses Re: SQL query --- big question???  (Richard Huxton <dev@archonet.com>)
List pgsql-sql
Hi to all,
 
I have a big question.
 
Can I write a query/function/agregate function (whatever) so that I can return the result of a query in a single line? I don't know if this is possible to be made and please if it is not possible please say.
 
 
I better give an example:
 
table (id, name)
1 xxx
2 yyy
3 zzz
 
 
Now I want to have a query like:
 
Select id from table
 
and the result to be something like: 1,2,3
and not 1 2 3 in different lines.
 
I just want to concatenate the results in a single result so this query result will have 1 row and 1 column. This looks like an agregate function but I don't know how to make this.
 
I hope you will understand what I want to do.
 
Please advise.
 
Thnx.
 
Andy.

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