From: | "Christopher Kings-Lynne" <chriskl(at)familyhealth(dot)com(dot)au> |
---|---|
To: | "Tatsuo Ishii" <t-ishii(at)sra(dot)co(dot)jp>, <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: UNION result |
Date: | 2003-01-15 04:19:24 |
Message-ID: | GNELIHDDFBOCMGBFGEFOIEAICFAA.chriskl@familyhealth.com.au |
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Lists: | pgsql-hackers |
Seems fine to me - the second select being cast to the type of the first
select.
Chris
> -----Original Message-----
> From: pgsql-hackers-owner(at)postgresql(dot)org
> [mailto:pgsql-hackers-owner(at)postgresql(dot)org]On Behalf Of Tatsuo Ishii
> Sent: Wednesday, 15 January 2003 12:04 PM
> To: pgsql-hackers(at)postgresql(dot)org
> Subject: [HACKERS] UNION result
>
>
> Does anybody know:
>
> select 1.0 union select 1;
> or
> select 1 union select 1.0;
>
> should return 1 or 1.0?
>
> I see below on my Linux box:
>
> test=# select 1 union select 1.0;
> ?column?
> ----------
> 1
> (1 row)
>
> test=# select 1.0 union select 1;
> ?column?
> ----------
> 1.0
> (1 row)
>
> This seems a little bit inconsistent...
> --
> Tatsuo Ishii
>
> ---------------------------(end of broadcast)---------------------------
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