Re: [HACKERS] Misleading Error Message

> 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.

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