Join Query Not Working
- by John
Hello,
I am using three MySQl tables:
comment
commentid loginid submissionid comment datecommented
login
loginid username password email actcode disabled activated created points
submission
submissionid loginid title url displayurl datesubmitted
In these three tables, the "loginid" correspond.
I would like to pull the top 10 loginids based on the number of "submissionid"s. I would like to display them in a 3-column HTML table that shows the "username" in the first column, the number of "submissionid"s in the second column, and the number of "commentid"s in the third column.
I tried using the query below but it did not work. Any idea why not?
Thanks in advance,
John
$sqlStr = "SELECT
l.username
,l.loginid
,c.commentid
,count(s.commentid) countComments
,c.comment
,c.datecommented
,s.submissionid
,count(s.submissionid) countSubmissions
,s.title
,s.url
,s.displayurl
,s.datesubmitted
FROM comment AS c
INNER JOIN login AS l ON c.loginid = l.loginid
INNER JOIN submission AS s ON c.loginid = s.loginid
GROUP BY c.loginid
ORDER BY countSubmissions DESC
LIMIT 10";
$result = mysql_query($sqlStr);
$arr = array();
echo "<table class=\"samplesrec1\">";
while ($row = mysql_fetch_array($result)) {
echo '<tr>';
echo '<td class="sitename1"><a href="http://www...com/.../members/index.php?profile='.$row["username"].'">'.stripslashes($row["username"]).'</a></td>';
echo '</tr>';
echo '<td class="sitename1">'.stripslashes($row["countSubmissions"]).'</td>';
echo '</tr>';
echo '</tr>';
echo '<td class="sitename1">'.stripslashes($row["countComments"]).'</td>';
echo '</tr>';
}
echo "</table>";
