Re: AW: [HACKERS] Getting OID in psql of recent insert

> Is there also a rule on what those variables can contain? I mean currently
> they act like C macros, they can contain unbalances quotes, incomplete
> backslash commands, everything. Or should they be restricted to SQL?
> 
> Also, looking for possible conflicts here, it seems that there is an
> operator ':' for exponentiation, which is of course extremely mnemonic.
> This reminds me of the ';' operator for logarithms, which I also use all
> the time in mathematical writing. Are those operators actually standard or
> just somebody's personal idea?

I recommend we rename : and ; to something else.  : should be used for
variables, and ; is too much like the trailing semicolon.

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