| From: | Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Thomas Lockhart <lockhart(at)alumni(dot)caltech(dot)edu>, pgsql-hackers(at)postgreSQL(dot)org |
| Subject: | Re: [HACKERS] Another reason to redesign querytree representation |
| Date: | 1999-07-20 23:05:12 |
| Message-ID: | 199907202305.TAA14374@candle.pha.pa.us |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
> Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us> writes:
> > Removed:
> > * Be smarter about promoting types when UNION merges different data types
> > * SELECT ... UNION ... GROUP BY fails if column types disagree
> > * INSERT ... SELECT ... UNION is not reliable
>
> > And added:
>
> > * redesign INSERT ... SELECT to have two levels of target list
>
> Er ... wait. The first two of those TODO items were separate issues.
> I think they can be fixed without changing the querytree representation.
> The third can be superseded by this item, though.
>
Done.
--
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
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Hiroshi Inoue | 1999-07-20 23:49:31 | RE: [HACKERS] BUG found in unique index! |
| Previous Message | Tom Lane | 1999-07-20 21:49:26 | Re: [HACKERS] Another reason to redesign querytree representation |