On 5/9/18, Olivier Mascia <o...@integral.be> wrote:
> About:
> "Column names in the expressions of a DO UPDATE refer to the original
> unchanged value of the column, before the attempted INSERT. To use the value
> that would have been inserted had the constraint not failed, add the special
> "excluded." table qualifier to the column name."
> Why using 'excluded' wording for this?

Because that is what PostgreSQL does.  I also thought that "new" would
have been a better choice, but they didn't consult me.  :-)

D. Richard Hipp
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