Re: [Bulk] Re: quoted identifier behaviour
От | Randall Smith |
---|---|
Тема | Re: [Bulk] Re: quoted identifier behaviour |
Дата | |
Msg-id | eta5ua$jmq$2@sea.gmane.org обсуждение исходный текст |
Ответ на | Re: [Bulk] Re: quoted identifier behaviour (Stephan Szabo <sszabo@megazone.bigpanda.com>) |
Ответы |
Re: [Bulk] Re: quoted identifier behaviour
|
Список | pgsql-general |
Stephan Szabo wrote: > On Wed, 14 Mar 2007, Randall Smith wrote: > >> Scott Marlowe wrote: >>> This whole discussion is reminding me of one of my personal mantras, and >>> that is that relying on "artifacts" of behaviour is generally a bad >>> idea. >>> >>> For instance, many databases accept != for not equal, but the sql >>> standard quite clearly says it's <>. >>> >>> If you're relying on case folding meaning that you don't have to >>> consistently use the same capitalization when referring to variables, >>> table names, people, or anything else, you're asking for trouble down >>> the line, and for little or no real gain today. >>> >>> I know that a lot of times we are stuck with some commercial package >>> that we can't do anything to fix, so I'm not aiming this comment at the >>> average dba, but at the developer. >> Yea, this is a commercial package, but it's actually doing it right. >> Since it doesn't know how a user will name a table or column, it always >> calls them as quoted strings in upper case which is standards compliant, >> but doesn't work with PG. So if a user names a table 55 and mine, it >> calls "55 AND MINE" and for foo, it calls "FOO". Looks like they did it >> right to me. > > Maybe, but the 55 and mine example may or may not actually work. 55 and > mine isn't a valid regular identifier. "55 and mine" would be a valid > identifier, but that's not the same identifier as "55 AND MINE". > > ---------------------------(end of broadcast)--------------------------- > TIP 1: if posting/reading through Usenet, please send an appropriate > subscribe-nomail command to majordomo@postgresql.org so that your > message can get through to the mailing list cleanly > Your right. Its not a correct example. I think the point is clear, though. Randall
В списке pgsql-general по дате отправления: