On Monday 08 December 2008 22:54:41 Guido van Rossum wrote:
>
> From my experience with SQL, it's nearly as bad as Python in that
> every single one of the 200+ reserved words in a typical
> implementation cannot be used as a name in any context without using
> double quotes.
SQL is a big language; I won't disagree with that! That said, you don't always
have to quote names like "end" as I mention below.
> While the double-quote escape is handy (especially
> given there are so many obscure reserved words) this is not exactly
> what the OP wanted -- they would have to say x."as"('float'), except
> using some other notation instead of double quotes. Having to escape
> it completely kills the OP's claim that 'as' is "simplest and most
> elegant".
You can do what the OP wants, at least in PostgreSQL, which is fairly
conformant. As I wrote on comp.lang.python...
create table "create" (
"select" varchar
);
select "select" from "create";
select "create".select from "create";
(This from a PostgreSQL 8.2 session.)
I don't know whether SQL 1992 actually allows dropping the double-quotes for
column names, but this is the kind of thing he has in mind.
Paul
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