Re: massive quotes?
От | Andreas Pflug |
---|---|
Тема | Re: massive quotes? |
Дата | |
Msg-id | 3F65C32F.10707@pse-consulting.de обсуждение исходный текст |
Ответ на | Re: massive quotes? (Jon Jensen <jon@endpoint.com>) |
Список | pgsql-hackers |
Jon Jensen wrote: >On Sat, 13 Sep 2003, Miko O'Sullivan wrote: > > > >>jon@endpoint.com (Jon Jensen) wrote in message news:<Pine.LNX.4.58.0309111950010.7142@louche.swelter.net>... >> >> >>>INSERT INTO sometable (5, <<\. >>>a >>>very long >>>string >>>\. >>>); >>> >>> >>I'm delighted to hear that here docs are being discussed for postgres. >> In the world of Perl here docs make life SO MUCH easier by allowing >>for independent quoting scopes. Jon, I'm totally in agreement with you >>that here docs would be a valuable addition to postgres. I'd like to >>propose a few modifications on the syntax you suggest above. >> >>In Perl, the rule for here docs is NOT "it starts immediately after >>the definition of the terminator" (as in your example). The rule is >>"it starts on the first line after the end of the command in which the >>terminator appears". There's a very good reason for this distinction. >> That reason is that it allows the command to be succinct, usually a >>single line, and the here doc stays completely separate. So, your >>example would like this instead: >> >> INSERT INTO sometable (5, <<'(END)'); >> a >> very long >> string >> (END) >> >>Notice that the entire INSERT command is on one line. Very easy to >>read. >> Well we might also have something like CREATE FUNCTION ... AS QUOTE('MyEndMarker') .... all the stuff ... MyEndMarker LANGUAGE 'plpgsql'; This looks quite SQL-like and should be easily implementable. Anyway, this Perl-like style or Tom's proof-of-concept dollar-quoting one, both seem equally usable, now let's have someone roll a die to decide. Regards, Andreas
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