| 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 |
| Views: | Whole Thread | Raw Message | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
> 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. :-)
--
Bruce Momjian | 830 Blythe Avenue
maillist(at)candle(dot)pha(dot)pa(dot)us | Drexel Hill, Pennsylvania 19026
+ If your life is a hard drive, | (610) 353-9879(w)
+ Christ can be your backup. | (610) 853-3000(h)
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