Re: UPDATE using sub selects

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NikhilS wrote:

> I have tried some update-subselect variations and they seem to work. For
> example the case in the src/test/regress/sql/update.sql, which used to
> fail till now, seems to work:
>
> UPDATE update_test SET (a,b) = (select a,b FROM update_test where c =
> 'foo')
> WHERE a = 10;

What's the expected result if the tuple from subselect is more than 1?
I expect no update at all in case of void result set, is this the case ?

Regards
Gaetano Mendola
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