Re: escape string type for upcoming 8.1

Greg Stark wrote:
>
> Bruce Momjian <pgman@candle.pha.pa.us> writes:
>
> > E'' is more a marker than a type.  I realize making E a type might work,
> > but it seems unusual.
> >
> > What we could do is backpatch E'' to 8.0.X as a no-op like it will be in
> > 8.1.
>
> What happens if someone already has a type called "e" ?

That would be the same problem as someone having a type 'b' or 'x'.  It
would still work, but not for casts like text'str'.  Those letters are
caught in the lexer before getting into to the parser.

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