Re: Recent updates

From: Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us>
To: lockhart(at)alumnus(dot)caltech(dot)edu (Thomas G(dot) Lockhart)
Cc: hackers(at)postgreSQL(dot)org
Subject: Re: Recent updates
Date: 1998-07-14 13:44:33
Message-ID: 199807141344.JAA22222@candle.pha.pa.us
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> postgres=> select null union all select null;
> ?column?
> --------
>
>
> (2 rows)
>
> An additional problem is that the UNION parsing is done recursively, so
> the routine which does the type matching does not see a list of all the
> clauses all at once.
>
> Any ideas?

I knew there was a reason I did not support NULL in union. :-)

Just kidding. I never thought of testing it, and a good thing too. :-)

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