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Better fix to the messaging problem. Will make mysql <4 users happy too. Credit for php workaround:Eloy

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mjollnir_
2005-09-07 04:43:05 +00:00
parent fe18e430f7
commit e1fede4e63
1 changed files with 40 additions and 19 deletions
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message/lib.php
+40 -19
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@@ -1023,27 +1023,48 @@ function message_get_participants() {
global $CFG;
// the first query is VERY intensive on large dbs, but
// the second won't work with mysql < 4
if (!check_db_compat()) {
return get_records_sql("SELECT DISTINCT u.id, u.id
FROM {$CFG->prefix}user as u,
{$CFG->prefix}message as m,
{$CFG->prefix}message_read as mr,
{$CFG->prefix}message_contacts as mc
WHERE m.useridfrom = u.id
OR m.useridto = u.id
OR mr.useridfrom = u.id
OR mr.useridto = u.id
OR mc.userid = u.id
OR mc.contactid = u.id");
// do it using php since mysql < 4 doesn't like the unions.
$users = array();
if ($message_from_users = get_records_sql("SELECT DISTINCT userfrom as id, 1 FROM {$CFG->prefix}message")) {
foreach ($message_from_users as $user) {
$users[$user->id] = $user;
}
}
if ($message_to_users = get_records_sql("SELECT DISTINCT useridto as id,1 FROM {$CFG->prefix}message")) {
foreach ($message_to_users as $user) {
$users[$user->id] = $user;
}
}
if ($read_from_users = get_records_sql("SELECT DISTINCT useridfrom as id,1 FROM {$CFG->prefix}message_read")) {
foreach ($read_from_users as $user) {
$users[$user->id] = $user;
}
}
if ($read_to_users = get_records_sql("SELECT DISTINCT useridto as id,1 FROM {$CFG->prefix}message_read")) {
foreach ($read_to_users as $user) {
$users[$user->id] = $user;
}
}
if ($contact_from_users = get_records_sql("SELECT DISTINCT userid as id,1 FROM {$CFG->prefix}message_contacts")) {
foreach ($contact_from_users as $user) {
$users[$user->id] = $user;
}
}
if ($contact_to_users = get_records_sql("SELECT DISTINCT mc.contactid as id,1 FROM {$CFG->prefix}message_contacts")) {
foreach ($contact_to_users as $user) {
$users[$user->id] = $user;
}
}
return $users;
} else {
return get_records_sql("SELECT useridfrom,useridfrom FROM {$CFG->prefix}message
UNION SELECT useridto,useridto FROM {$CFG->prefix}message
UNION SELECT useridfrom,useridfrom FROM {$CFG->prefix}message_read
UNION SELECT useridto,useridto FROM {$CFG->prefix}message_read
UNION SELECT userid,userid FROM {$CFG->prefix}message_contacts
UNION SELECT contactid,contactid from {$CFG->prefix}message_contacts");
return get_records_sql("SELECT useridfrom as id,1 FROM {$CFG->prefix}message
UNION SELECT useridto as id,1 FROM {$CFG->prefix}message
UNION SELECT useridfrom as id,1 FROM {$CFG->prefix}message_read
UNION SELECT useridto as id,1 FROM {$CFG->prefix}message_read
UNION SELECT userid as id,1 FROM {$CFG->prefix}message_contacts
UNION SELECT contactid as id,1 from {$CFG->prefix}message_contacts");
}
}