Andrew Dunstan <and...@dunslane.net> writes:
> Robert Haas wrote:
>> Well that is the tricky part, for sure. I would personally prefer
>> something like ${name} rather than a prefix, but I think you're likely
>> to veto that outright. So, anything reasonably short would be an
>> improvement over the status quo. self? this? my?
>>
> I think it would have to be a reserved word. The obvious existing
> keyword to use is "function" but unless I'm mistaken we'd need to move
> it from unreserved keyword to reserved, and I'm not sure this would
> justify that.
All of these are fundamentally illegal syntax, which as was already
pointed out up-thread is likely to introduce nasty side-effects of its
own. Not to mention being an order of magnitude harder to implement.
We have a hook to implement resolving a ColumnRef, ie a qualified
identifier. We don't have support for random other things.
regards, tom lane
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