Select and order by question

[Andy Dunlop <andy@xxxxxxxxxxxxx>]

Hi - I have the following code:

//show table of current events needing action
$sSql = "SELECT id FROM crm_leads ";
$sLeads = pg_exec($conn,$sSql);
for($e=0;$e<pg_numrows($sLeads);$e++){
        $sSql = "SELECT * FROM crm_events WHERE crm_leads_id = ".pg_result($sLeads,$e,"id")." AND follow_up_action!='' ORDER BY follow_up_date asc limit 1";
        $sRes = pg_exec($conn,$sSql);
        $sHits = pg_numrows($sRes);
        if($sHits!=0){
                for($i=0;$i<$sHits;$i++){
              // generate the display here
        }
}

crm_leads is a parent with many crm_events as it's children.
This code gives me the correct set of rows.
My problem is that I want only the last row from crm_events (as per limit 1) but I want those rows sorted by follow_up_date. I guess I need to have the whole query in one select statement? But how? 

Any help appreciated
Thanks

Andy Dunlop

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