close ad
Databridge V2 with MySQLi support IS Now Available!
open ad
View Menu

Technical Support Forums

Free, outstanding support from WebAssist and your colleagues

How acheive random results from a recordset that has INNER JOIN and GROUP BY in its SELECT statement?

Thread began 10/18/2017 7:58 pm by Nathon Jones Web Design | Last modified 6/13/2018 6:04 pm by Nathon Jones Web Design | 390 views | 12 replies

Nathon Jones Web Design

Error in SQL syntax? Have never managed to solve this.

<?php
$rsGALLERYSUBCS = new WA_MySQLi_RS("rsGALLERYSUBCS",$csdbmysqli,20);
$rsGALLERYSUBCS->setQuery("SELECT NJlinkcatsubgal.NJcatSUBID, NJcategoriesSUB.NJcatSUBTITLE, galleryRand.NJgalleryID, galleryRand.NJdomainID, galleryRand.NJgalleryIMG FROM NJlinkcatsubgal INNER JOIN NJcategoriesSUB ON NJlinkcatsubgal.NJcatSUBID = NJcategoriesSUB.NJcatSUBID INNER JOIN (SELECT NJgallery.* FROM NJgallery ORDER BY Rand()) AS galleryRand ON NJgallery.NJgalleryID = NJlinkcatsubgal.NJgalleryID WHERE galleryRand.NJdomainID = $domainID AND galleryRand.NJgalleryDELETE = 2 GROUP BY NJcategoriesSUB.NJcatSUBTITLE");
$rsGALLERYSUBCS->execute();
?>



Here's our tables and relevant fields:
NJgallery - NJgalleryID, NJgalleryIMG, NJdomainID
NJcategoriesSUB - NJcatSUBID, NJcatSUBTITLE
NJlinkcatsubgal - NJlinkcatsubgalID, NJcatSUBID, NJgalleryID (this is the link table between the gallery and the categories)


...is Rand() valid?
Hope you can clarify this one.
Appreciate any help offered.

Build websites with a little help from your friends

Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.

Build websites from already-built web applications

These out-of-the-box solutions provide you proven, tested applications that can be up and running now.  Build a store, a gallery, or a web-based email solution.

Want your website pre-built and hosted?

Close Windowclose

Rate your experience or provide feedback on this page

Account or customer service questions?
Please user our contact form.

Need technical support?
Please visit support to ask a question

Content

rating

Layout

rating

Ease of use

rating

security code refresh image

We do not respond to comments submitted from this page directly, but we do read and analyze any feedback and will use it to help make your experience better in the future.

Close Windowclose

We were unable to retrieve the attached file

Close Windowclose

Attach and remove files

add attachmentAdd attachment
Close Windowclose

Enter the URL you would like to link to in your post

Close Windowclose

This is how you use right click RTF editing

Enable right click RTF editing option allows you to add html markup into your tutorial such as images, bulleted lists, files and more...

-- click to close --

Uploading file...