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chris1979

06-24-2009 08:58 PM

mysql query involving dateline

I want to change the title of all new threads that were posted in a certain forum in the last 30 days.

Can you help me with the query?

I think it should be something like...

Code:

UPDATE thread SET title='additional text '+title

WHERE dateline<????

AND forumid=1;

Thanks in advance!

Cryo	06-25-2009 06:07 PM

You can use a timestamp generator (http://www.4webhelp.net/us/timestamp.php) to get the variable you need. If you're doing this in PHP, you can use the following...

PHP Code:


		
			
$last30 = mktime(0, 0, 0, date("m"), date("d")-30, date("y"));

Then simply plug $last30 into your SQL statement.

chris1979

06-26-2009 06:18 PM

thanks

this bit will work?

Code:

title='additional text '+title

jchamber2010

06-27-2009 03:12 AM

if you are trying to append an existing variable to a new variable in PHP you use the following format

PHP Code:


		
			
<?
$var1 = "some text here". $var2
?>

Dismounted

06-27-2009 04:51 AM

Quote:

Originally Posted by chris1979 (Post 1838003)

this bit will work?

Code:

title='additional text '+title

Yes, that should work. However, always try on some test data first!

DragonBlade

06-27-2009 01:10 PM

I've never tried with a Plus Symbol before, but the way that I would do it is:

Code:

UPDATE blah SET bleh=CONCAT('blah blah blah ', bleh);

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