2009/12/25 Tom Lane <tgl@sss.pgh.pa.us>:
> Robert Haas <robertmhaas@gmail.com> writes:
>> If we do want to go
>> with a single flag character, maybe it should just be a single or
>> double quote:
>
>> :'foo - quote as a literal
>> :"foo - quote as an ident
>
> I would've proposed that myself if I thought it would work, but I'm
> afraid that it will wreak complete chaos from a parsing standpoint.
> Half the tools in the world will think this is an incomplete literal,
> and I'm not even very sure you could keep psql itself from getting
> confused.
>
I though about it too.
> Hmm ... actually, though, what about combining the ideas:
>
> :'foo' - quote as a literal
> :"foo" - quote as an ident
>
> This leaves us with nothing much as far as extensibility, but from
> a mnemonic standpoint it's a large win.
+1
Pavel
>
> regards, tom lane
>