Andreas Zeugswetter wrote:
> >> We only support subqueries in the target list. May have that expaned
> >> for 6.4.
> >Not sure that EXISTS is allowed in target list...
> The standard does not allow it, but it might be a nifty feature if
> it returned a boolean true or false.
I don't foresee problems with this.
BTW, shouldn't we allow the same for IN, ANY and ALL?
select ..., x in (...), ...
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