Article View: pl.comp.bazy-danych
Article #183173Re: MySQL 5.1 trigger
From: Przemysław Rachwał
Date: Fri, 26 Jun 2009 22:53
Date: Fri, 26 Jun 2009 22:53
34 lines
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1850 bytes
CYSTERNA wrote: > Mam tabele ANKIETY a w niej pola TRESC i DATA_DODANIA. Jak user > wypelnia ankiete to do bazki wysyłany jest SQL : > > INSERT INT ANKIETY SET TRESC = 'costamcostam'; > > teraz chce napisac triggera który po INSERCIE wartości do pola tresc > zaktualizuje mu date dodania. > robie tak: > > CREATE TRIGGER TR1 AFTER INSERT ON ANKIETY UPDATE ANKIETY SET > DATA_DODANIA = Now() where isnull(DATA_DODANIA); > > i kurna nie działa. Czy da sie zupdateować triggerem pole w aktualnie > dodawanym rekordzie ? > Jak powinien wyglądać ten trigger? > > podrawiam > cysterna skorzystaj z NEW The UPDATE privilege for the subject table if table columns are targets of SET NEW.col_name = value assignments in the trigger definition. http://dev.mysql.com/doc/refman/5.0/en/create-trigger.html pierwszy komentarz -- Przemek "Non sunt multiplicanda entia sine necessitate" http://vbamania.blogspot.com
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Path: mbox-mo1.pugleaf.net!news-archive.icm.edu.pl!news.gazeta.pl!not-for-mail From: Przemysław Rachwał <przemyslaw.rachwal@gmail.com> Newsgroups: pl.comp.bazy-danych Subject: Re: MySQL 5.1 trigger Date: Sat, 27 Jun 2009 00:53:49 +0200 Organization: "Portal Gazeta.pl -> http://www.gazeta.pl" Lines: 34 Message-ID: <h23jhv$10i$1@inews.gazeta.pl> References: <c52a6be6-2ea8-4ff3-b8b9-7572cfb45a88@q37g2000vbi.googlegroups.com> NNTP-Posting-Host: 91.123.160.178 Mime-Version: 1.0 X-Trace: inews.gazeta.pl 1246056831 1042 91.123.160.178 (26 Jun 2009 22:53:51 GMT) X-Complaints-To: usenet@agora.pl NNTP-Posting-Date: Fri, 26 Jun 2009 22:53:51 +0000 (UTC) X-User: prachwal In-Reply-To: <c52a6be6-2ea8-4ff3-b8b9-7572cfb45a88@q37g2000vbi.googlegroups.com> User-Agent: Thunderbird 2.0.0.22 (Windows/20090605) Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit