From: | Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us> |
---|---|
To: | Kristofer Munn <kmunn(at)munn(dot)com> |
Cc: | pgsql-hackers(at)postgreSQL(dot)org |
Subject: | Re: [HACKERS] Misleading Error Message |
Date: | 1999-05-17 18:23:00 |
Message-ID: | 199905171823.OAA24473@candle.pha.pa.us |
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Thread: | |
Lists: | pgsql-hackers |
> Hi all. Was working tonight and ran into the following error. Doing a
> union between two selects (to get around the lack of outer joins - hint
> hint), I was getting the error:
>
> ERROR: Each UNION clause must have the same number of columns
>
> Upon examining the SQL statement in question, I verified that it did,
> indeed, have the same number of columns. After some fiddling, I found the
> actual problem was that I was doing an ORDER BY on a column which was not
> being included in the two select statements. Unfortunately, the error
> message wasn't pointing at that.
>
> I'm not sure if this is just a simple change or implies other problems
> with the parser but I thought I'd toss it out onto the pile.
This now fixed.
--
Bruce Momjian | http://www.op.net/~candle
maillist(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026
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