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Trying to call up Posts that match the Tag in the Post to a keyword in my own data table...


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I assuming if you're here, you know WP table structure, but I also have two of my own tables called events and evaluations.  

Events columns are id, name, start, end, city, state, tag
Evaluations isn't really part of this issue.  

I have a WP Page with custom code drawing anything from Evaluations that matches the Event to the page.   Now, I would also like to list any WP Post that matches event.tag to this page.  

The error I'm getting:

Warning: mysqli_fetch_assoc() expects parameter 1 to be mysqli_result, boolean given in /home2/csi/public_html/wp-content/plugins/csi_reviews.php on line 970

So it's not finding any matches in the query, but I work it forward and back, the values line up.  So I'm clearly missing something. 

 

So the URL that reads like this...

webaddress.com/event/?event=18

$event = $_GET['event'];


$query = "SELECT *
	FROM wp_posts p
	
	LEFT JOIN wp_terms_relationships tr
		ON p.ID = tr.object_id
	LEFT JOIN wp_terms t
		ON tr.term_taxonomy_id = t.term_id	
	
	LEFT JOIN a_events e	
		ON e.tag = t.slug	
		
	WHERE e.id = '". $event ."'	
	";

 

p.ID = 1459
tr.object_id = 1459

tr.term_taxonomy_id = 1231
t.term_id = 1231

e.tag = mibfl
t.slug = mibfl

e.id = 18
$event = 18

 

Edited by Jim R
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