Thread

  1. RE: [HACKERS] Just another question

    Michael Meskes <meskes@topsystem.de> — 1998-04-23T12:48:05Z

    Yes, I agree. So I let it like it is. But I think this has to be added
    to the docs.
    
    Michael
    
    --
    Dr. Michael Meskes, Project-Manager    | topsystem Systemhaus GmbH
    meskes@topsystem.de                    | Europark A2, Adenauerstr. 20
    meskes@debian.org                      | 52146 Wuerselen
    Go SF49ers! Go Rhein Fire!             | Tel: (+49) 2405/4670-44
    Use Debian GNU/Linux!                  | Fax: (+49) 2405/4670-10
    
    > -----Original Message-----
    > From:	Thomas G. Lockhart [SMTP:lockhart@alumni.caltech.edu]
    > Sent:	Thursday, April 23, 1998 2:56 PM
    > To:	Meskes, Michael
    > Cc:	PostgreSQL Hacker
    > Subject:	Re: [HACKERS] Just another question
    > 
    > > > > I just noticed that there is an operator '=:'. What is it used 
    > > > > for?
    > > > ?? I don't see it here.
    > > But scan.l returns Op.
    > 
    > Oh, it is an _allowed_ operator symbol combination, if someone were to
    > define an operator using it. But it isn't pre-defined anywhere, is it?
    > 
    > 
    > And, it should be OK to require spaces to help delimit your embedded
    > stuff; that is, "=:" is interpreted as a possible operator, while "=
    > :"
    > (with space) is "equals embedded variable"...
    > 
    > I'd hate to keep removing single characters from the allowed operator
    > character set when we get syntax conflicts like this. We'll end up
    > with
    > only the SQL92-allowed operator symbols before long :)
    > 
    >                       - Tom