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[ticket/10605] Delete orphan private messages on update

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PHPBB3-10605
This commit is contained in:
Joas Schilling 2012-02-18 12:16:21 +01:00
parent 17f5c6bf71
commit 45f39c6d1f
1 changed files with 42 additions and 0 deletions
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42
phpBB/install/database_update.php
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@ -2024,6 +2024,48 @@ function change_database_data(&$no_updates, $version)
// No changes from 3.0.10-RC3 to 3.0.10
case '3.0.10-RC3':
break;
// Changes from 3.0.10 to 3.0.11-RC1
case '3.0.10':
// Delete orphan private messages
$batch_size = 500;
$sql_array = array(
'SELECT' => 'p.msg_id',
'FROM' => array(
PRIVMSGS_TABLE => 'p',
),
'LEFT_JOIN' => array(
array(
'FROM' => array(PRIVMSGS_TO_TABLE, 't'),
'ON' => 'p.msg_id = t.msg_id',
),
),
'WHERE' => 't.user_id IS NULL';
$sql = $db->sql_build_query('SELECT', $sql_array);
do
{
$result = $db->sql_query_limit($sql, $batch_size);
$delete_pms = array();
while ($row = $db->sql_fetchrow($result))
{
$delete_pms[] = (int) $row['msg_id'];
}
$db->sql_freeresult($result);
if (!empty($delete_pms))
{
$sql = 'DELETE FROM ' . PRIVMSGS_TABLE . '
WHERE ' . $db->sql_in_set('msg_id', $delete_pms);
$db->sql_query($sql);
}
}
while (sizeof($delete_pms) == $batch_size);
$no_updates = false;
break;
}
}