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From:Patricio A. Bruna Date:October 12 2007 1:57pm
Subject:Re: Trigger
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The aplication which is writing to the database is sending the date in unix format.
I can't no change that, so i suposse using a triger will help.

The application pass the 'xxxxxx.xx' value when is inserting to the table.

----- "Martijn Tonies" <m.tonies@stripped> escribió:
> >If i define that the value for the field must be varchar data type,
> `fecha`
> varchar(25) default NULL, the triger records the right date.
> >I think because is wrinting a string only. But if i define the field
> as a
> date data type, `fecha` date default NULL, the value writen is:
> 1969-31-12.
> I suppose this is >because the table is waiting for a date data type,
> but
> the triger sends a string data type.
> 
> When you send an INSERT statement to the server, what value are you
> passing
> for
> the date column?
> 
> If you want to store a DATE, send a date! Don't send a "unixtime", or
> a
> "varchar" in
> some format, send a date.
> 
> Why on earth would you go sending a "unixtime" to the server and then
> using
> a trigger
> to convert it into a "real date"?!
> 
> >im correct? if im, should CAST help me?
> 
> No, sending the proper value, that's what you should be doing.
> 
> And storing a date-value in a DATE datatype will only be more
> convenient
> later on.
> 
> Martijn Tonies
> Database Workbench - development tool for MySQL, and more!
> Upscene Productions
> http://www.upscene.com
> My thoughts:
> http://blog.upscene.com/martijn/
> Database development questions? Check the forum!
> http://www.databasedevelopmentforum.com
> 
> > > I have a problem with a trigger which should conver a unix
> timestamp
> > to a
> > MySQL date datatype.
> > > The trigger works if the column is varchar, but when the column
> is
> > date
> > type, it write the date of 1969-31-12.
> >
> > Instead of "column", I guess you mean "value"?
> >
> > > Any ideas?
> > >
> > >
> > >
> > > DROP TABLE IF EXISTS `visitas`;
> > > CREATE TABLE `visitas` (
> > > `id` int(11) NOT NULL auto_increment,
> > > `date` varchar(25) default NULL,
> >
> > If you want to store a date-value, use a date-datatype, not a
> > character
> > based datatype.
> >
> > > `elapsed` int default NULL,
> > > `src_ip` varchar(15) default NULL,
> > > `result_code` varchar(25) default NULL,
> > > `http_status` TINYINT default NULL,
> > > `bytes` int default NULL,
> > > `request` varchar(50) default NULL,
> > > `authname` varchar(10) default NULL,
> > > `type` varchar(20) default NULL,
> > > PRIMARY KEY (`id`)
> > > ) ENGINE=MyISAM DEFAULT CHARSET=latin1;
> > >
> > > /*!50003 SET @OLD_SQL_MODE=@@SQL_MODE*/;
> > > DELIMITER ;;
> > > /*!50003 SET SESSION SQL_MODE="STRICT_TRANS_TABLES" */;;
> > > /*!50003 CREATE */ /*!50017 DEFINER=`root`@`localhost` */
> /*!50003
> > TRIGGER
> > `unix2normaltime` BEFORE INSERT ON `visitas` FOR EACH ROW begin
> > > set New.date=date(from_unixtime(New.date));
> > > end */;;
> 
> 
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Thread
TriggerPatricio A. Bruna11 Oct
  • Re: TriggerMartijn Tonies12 Oct
    • Re: TriggerPatricio A. Bruna12 Oct
      • Re: TriggerMartijn Tonies12 Oct
        • Re: TriggerPatricio A. Bruna12 Oct
          • Re: TriggerMartijn Tonies12 Oct
            • Re: TriggerPatricio A. Bruna12 Oct
              • Re: TriggerMartijn Tonies12 Oct
Re: TriggerPatricio A. Bruna11 Oct