Re: [Bulk] Re: quoted identifier behaviour
От | Randall Smith |
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Тема | Re: [Bulk] Re: quoted identifier behaviour |
Дата | |
Msg-id | eta5qe$jmq$1@sea.gmane.org обсуждение исходный текст |
Ответ на | Re: [Bulk] Re: quoted identifier behaviour (Alvaro Herrera <alvherre@commandprompt.com>) |
Список | pgsql-general |
Alvaro Herrera wrote: > 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. > > So what's the problem? Just create the tables as all uppercase and you > should be fine, since the application must be systematic about quoting. > The toolkit uses quoted identifiers and the application doesn't. I have a solution, which is to use views, but this thread is now about whether or not Postgresql should and will support the current SQL standard, which is to convert non-quoted identifiers to upper case. Postgresql converts them to lower case and that is the issue. Since posting this thread I've found this topic hashed out before in pgsql-hackers (thanks Tom). Randall
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