Solved

Sort by expiry date

Posted on 2008-10-15
11
342 Views
Last Modified: 2013-12-13
I have a table of different competitions. Each as an expiry date in the form:

DD/MM/YYYY

at the moment I am counting the total number of entries using this query:

      $queryTotal = "SELECT COUNT(id) FROM archive_comps;";
      
      $totalResult = mysql_query($queryTotal);
      confirm_query($totalResult);
            
      $total = mysql_fetch_array($totalResult);

However i want to be able to count the entries which are still active ie. have not expired.

How do I do this?

Thanks
0
Comment
Question by:DrZork101
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 4
  • 4
  • 2
  • +1
11 Comments
 
LVL 17

Expert Comment

by:houssam_ballout
ID: 22718818
you must compare their date with the date of today.

0
 
LVL 6

Expert Comment

by:RemcovC
ID: 22718844
This should do the trick:

$queryTotal = "SELECT COUNT(id) FROM archive_comps WHERE CDate(expirydate)>CURRENT_TIMESTAMP;";
0
 

Author Comment

by:DrZork101
ID: 22718922
when i use that it says:

FUNCTION databaseName1.CDate does not exist

0
Independent Software Vendors: We Want Your Opinion

We value your feedback.

Take our survey and automatically be enter to win anyone of the following:
Yeti Cooler, Amazon eGift Card, and Movie eGift Card!

 
LVL 6

Assisted Solution

by:RemcovC
RemcovC earned 250 total points
ID: 22718940
oops sorry, it should be cast(expirydate as datetime)
it's sql not vb ^^
0
 
LVL 6

Expert Comment

by:RemcovC
ID: 22718945
(The cast is not needed if the expiredate is already a datetime field)
0
 

Author Comment

by:DrZork101
ID: 22718980
the expiry date is stored in the database as DD/MM/YYYY

now its says:

You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ') > CURRENT_TIMESTAMP' at line 1

0
 
LVL 1

Expert Comment

by:gtsupport
ID: 22718979
Maybe this will work

$queryTotal = "SELECT COUNT(id) FROM archive_comps WHERE expirydate> now();";<!-- richText -->
0
 

Author Comment

by:DrZork101
ID: 22719007
the query from gtsupport does run, however does no come up with the right results.

does closingDate have to be converted to a specific formatting?
0
 
LVL 6

Expert Comment

by:RemcovC
ID: 22719024
yep to datetime format

you can do that by convert or cast
CAST (closigndate as date)
0
 

Accepted Solution

by:
DrZork101 earned 0 total points
ID: 22719190
Thanks remcovC but that did not work I have solved the problem using:

$queryTotal = "SELECT COUNT(id) FROM archive_comps WHERE STR_TO_DATE(closingDate,'%d/%m/%Y') > CURDATE()";
0
 
LVL 1

Expert Comment

by:gtsupport
ID: 22719364
Great that it answered your problem. I did not think that you would save the expired date field as a string. You might want to change it to a timestamp format for better performance. That way you will not need to call the STR_TO_DATE function.  It will also allow you to  index your  column  to make it faster to retrieve data.
0

Featured Post

How Do You Stack Up Against Your Peers?

With today’s modern enterprise so dependent on digital infrastructures, the impact of major incidents has increased dramatically. Grab the report now to gain insight into how your organization ranks against your peers and learn best-in-class strategies to resolve incidents.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

I'm trying, I really am. But I've seen so many wrong approaches involving date(time) boundaries I despair about my inability to explain it. I've seen quite a few recently that define a non-leap year as 364 days, or 366 days and the list goes on. …
Since pre-biblical times, humans have sought ways to keep secrets, and share the secrets selectively.  This article explores the ways PHP can be used to hide and encrypt information.
Explain concepts important to validation of email addresses with regular expressions. Applies to most languages/tools that uses regular expressions. Consider email address RFCs: Look at HTML5 form input element (with type=email) regex pattern: T…
The viewer will learn how to create and use a small PHP class to apply a watermark to an image. This video shows the viewer the setup for the PHP watermark as well as important coding language. Continue to Part 2 to learn the core code used in creat…

752 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question