Re: Proposal: CREATE CONVERSION
От | Tatsuo Ishii |
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Тема | Re: Proposal: CREATE CONVERSION |
Дата | |
Msg-id | 20020707.213057.71105070.t-ishii@sra.co.jp обсуждение исходный текст |
Ответ на | Re: Proposal: CREATE CONVERSION (Peter Eisentraut <peter_e@gmx.net>) |
Ответы |
Re: Proposal: CREATE CONVERSION
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Список | pgsql-hackers |
> Tatsuo Ishii writes: > > > > Also, is there anything in SQL99 that we ought to try to be > > > compatible with? > > > > As far as I know there's no such an equivalent in SQL99. > > Sure: > > 11.34 <translation definition> I guess you mix up SQL99's "trasnlate" and "convert". As far as I know, SQL99's "translation" is exactly a translation. e.g. rr) translation: A method of translating characters in one character repertoire into characters of the sameor a different character repertoire. For example, certain "translation" might take an input of Engish text, and makes an output of Japanese one (I don't know if we could implement such a translation though :-). On the other hand "convert" just changes the "form-of-use" (SQL's term, actually equivalent to "encoding"), keeping the character repertoire. -- Tatsuo Ishii
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