Re: [HACKERS] Another reason to redesign querytree representation - Mailing list pgsql-hackers

> Bruce Momjian <maillist@candle.pha.pa.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 The third can be superseded by this item, though.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.

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