For the following query, I have a little problem ...
First, I have to rewrite several times the same query because the
alias are not recognised in the same query ( I got an error when I try
to reuse the alias "nb_bogus_leads", for instance). Do you have a way
to avoid this ? Because If I do so, the
Thanks
You were right, it was because of the return void
But I think in the documentation, I read somewhere that this kind of
return was allowed ... I must have mistaken ...
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I tried with some LEFT JOINS, which give me the possibility to keep
the information of the right table.
I have now the following query, which is 10 times faster !!! (from 16s
to 1.6s)
But I's like to remove the last subquery, to see if it faster ;)
Can somebody help me ?
OK, here is the final query without any subquery ...
--
SELECT L. *
FROM lead L
LEFT JOIN purchase P ON ( L.id = P.lead_id )
LEFT JOIN member_exclusion M ON ( P.member_id = M.member_id_to_exclude
)
LEFT JOIN (
SELECT DISTINCT affiliate_locked_id
FROM affiliate_lockout
W
ffiliate.
Has anybody an idea ?
Thanks
Krysto
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are apparently very
slow to run, according to what I read), but I can't figure how to
rewrite this query without any subquery ...
Maybe the problem comes from the index ... How would you create your
indexes to optimize this query ?
Could somebody help me ?
Thanks
krysto
---
q_members .= " AND $id NOT IN (select lead_id from purchase where
member_id IN (select member_id_to_exclude from member_exclusion where
member_id=member.id))";
$q_members .= " ORDER BY balance_in_points DESC";
$r_members = mysql_query($q_members);
$nbdispo = $NBPERSONS_SH
