Trigger 2007-10-12 - By Patricio A. Bruna
Back
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@(protected)> escribi??:
> >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 @(protected)=@@(protected)*/;
> > > 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?te(from_unixtime(New.date));
> > > end */;;
>
>
> --
> MySQL General Mailing List
> For list archives: http://lists.mysql.com/mysql
> To unsubscribe:
> http://lists.mysql.com/mysql?unsub=pbruna@(protected)
--
MySQL General Mailing List
For list archives: http://lists.mysql.com/mysql
To unsubscribe: http://lists.mysql.com/mysql?unsub=mysql@(protected)
|
|
