On Nov 15, 2009, at 10:19 AM, Greg Stark wrote: >> I like the special marker idea. A '$' would be nice because its already in >> use for similar purposes, but I think that would lead to ambiguity with >> dollar quoting. > > I think that would be a big break with everything else and very > non-sql-ish. We don't use these in plpgsql and we don't use them > anywhere else in sql.
*ahem* $1 *ahem* > Moreover you would still have conflicts possible because sql can quote > identifiers so people can have columns named "$foo". You would have a > weird syntactic detail where "$foo" would mean something different > than $foo even though they're both valid identifiers. Same with Foo and "Foo", no? > I'm not sure it wouldn't conflict with some drivers either. DBI uses > :foo and ? but I have a vague recollection some drivers did use $foo. I don't think that would come up, because the $vars are in the body of the function, not in a typical driver call. Personally, I like $var, but @var would be okay, and @@var is acceptable. But I'm JAPH, so my biases should be obvious. Best, David -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
