Hello,
Try this...
select a.rhrqid,a.rhrqsid,a.rhrssid,b.sid,b.rlsid
from rqhistory a left join relay b
on (a.rhrqid = b.rqid and (a.rhrqsid = b.rlsid or a.rhrqsid = b.sid or
a.rhrssid = b.rlsid or a.rhrssid = b.sid))
where a.rhrqsid = 101 or a.rhrssid = 101
Thanks,
ViSolve DB Team
----- Original Message -----
From: "KMiller" <[EMAIL PROTECTED]>
To: <mysql@lists.mysql.com>
Sent: Tuesday, February 06, 2007 8:37 AM
Subject: outer join question
This query isn't what I want...
select a.rhrqid,a.rhrqsid,a.rhrssid,b.sid,b.rlsid
from rqhistory a left join relay b
on a.rhrqsid = 101 or a.rhrssid = 101
and (a.rhrqid = b.rqid and (a.rhrqsid = b.rlsid or a.rhrqsid = b.sid or
a.rhrssid = b.rlsid or a.rhrssid = b.sid))
because it returns all rows from 'a' regardless of the criteria 101
Any advice on how would I get only rows from 'a' that match 101 and any in
'b' that match if they exist?
-km
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