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-   -   $threads in FORUMDISPLAY and DISTINCT ? (https://vborg.vbsupport.ru/showthread.php?t=62930)

VBDev 03-25-2004 03:55 PM

$threads in FORUMDISPLAY and DISTINCT ?
 
So, I made modifications for a hack and I need 2 more fields I'd like to get with this query :

PHP Code:

        SELECT $votequery $previewfield
            thread
.threadidthread.title AS threadtitlelastpostthread.forumidpollidopenreplycountpostusernamepostuseridthread.iconid AS threadiconid,
            
lastposterthread.dateline, IF(views<=replycountreplycount+1views) AS viewsnotesthread.visiblestickyvotetotalthread.attach
            
" . iif($vboptions['threadsubscribed'] AND $bbuserinfo['userid'], "NOT ISNULL(subscribethread.subscribethreadid) AS issubscribed") . "
            " . iif(!
$deljoin, "NOT ISNULL(deletionlog.primaryid) AS isdeleteddeletionlog.userid AS del_userid
                
deletionlog.username AS del_usernamedeletionlog.reason AS del_reason") . "
        
FROM " . TABLE_PREFIX . "thread AS thread
        
" . iif(!$deljoin, " LEFT JOIN " . TABLE_PREFIX . "deletionlog AS deletionlog ON(thread.threadid deletionlog.primaryid AND type 'thread')") . "
        " . iif(
$vboptions['threadsubscribed'] AND $bbuserinfo['userid'], " LEFT JOIN " . TABLE_PREFIX . "subscribethread AS subscribethread ON(subscribethread.threadid thread.threadid AND subscribethread.userid $bbuserinfo[userid])") . "
        
$previewjoin
        WHERE thread
.threadid IN (0$ids)
        
ORDER BY sticky DESC$sqlsortfield $sqlsortorde 


I need these fields : nb_install and userid from tables hacks and hacksinstall, so I modify to have :

PHP Code:

        SELECT $votequery $previewfield
            thread
.threadidthread.title AS threadtitlelastpostthread.forumidpollidopenreplycountpostusernamepostuseridthread.iconid AS threadiconid,
            
lastposterthread.dateline, IF(views<=replycountreplycount+1views) AS viewsnotesthread.visiblestickyvotetotalthread.attach
            
" . iif($vboptions['threadsubscribed'] AND $bbuserinfo['userid'], "NOT ISNULL(subscribethread.subscribethreadid) AS issubscribed") . "
            " . iif(!
$deljoin, "NOT ISNULL(deletionlog.primaryid) AS isdeleteddeletionlog.userid AS del_useridhacks.nb_installi.userid,
                
deletionlog.username AS del_usernamedeletionlog.reason AS del_reason") . "
        
FROM " . TABLE_PREFIX . "thread AS thread
        
" . iif(!$deljoin, " LEFT JOIN " . TABLE_PREFIX . "deletionlog AS deletionlog ON(thread.threadid deletionlog.primaryid AND type 'thread')") . "
        " . iif(
$vboptions['threadsubscribed'] AND $bbuserinfo['userid'], " LEFT JOIN " . TABLE_PREFIX . "subscribethread AS subscribethread ON(subscribethread.threadid thread.threadid AND subscribethread.userid $bbuserinfo[userid])") . "
        
LEFT JOIN " . TABLE_PREFIX . "hacks AS hacks ON(hacks.threadid=thread.threadid)
        
LEFT JOIN ". TABLE_PREFIX ."hacks_install AS i ON (i.userid=$bbuserinfo[userid])
        
$previewjoin
        WHERE thread
.threadid IN (0$ids)
        
ORDER BY sticky DESC$sqlsortfield $sqlsortorder 

The problem is that I get back each thread twice :ermm:

How to do so that I get back them only once ?
Thanks by advance :)

filburt1 03-25-2004 04:45 PM

You answered your own question in the subject: use SELECT DISTINCT instead of SELECT to avoid duplicate rows, although often the solution lies in refining the query itself.

VBDev 03-26-2004 07:57 AM

Ok, I'll try using a DISTINCT on threadid so :)


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