install/schemas/upgrade/1125.php
changeset 1259 49db7495f6b8
equal deleted inserted replaced
1258:d972b1276d95 1259:49db7495f6b8
       
     1 <?php
       
     2 
       
     3 // Migrate usernames in the logs table
       
     4 
       
     5 global $db, $session, $paths, $template, $plugins; // Common objects
       
     6 
       
     7 $q = $db->sql_query('SELECT user_id, username FROM ' . table_prefix . 'users;');
       
     8 if ( !$q )
       
     9   $db->_die();
       
    10 
       
    11 $map = array();
       
    12 while($row = $db->fetchrow())
       
    13 {
       
    14   $map[ $row['username'] ] = $row['user_id'];
       
    15 }
       
    16 $db->free_result();
       
    17 
       
    18 $q = $db->sql_query('SELECT author FROM ' . table_prefix . 'logs WHERE author_uid = 1;');
       
    19 if ( !$q )
       
    20   $db->_die();
       
    21 
       
    22 $updated = array();
       
    23 
       
    24 while ( $row = $db->fetchrow($q) )
       
    25 {
       
    26   if ( isset($map[ $row['author'] ]) && !is_valid_ip($row['author']) && !in_array($row['author'], $updated) )
       
    27   {
       
    28     $author = $db->escape($row['author']);
       
    29     $sql = "UPDATE " . table_prefix . "logs SET author_uid = {$map[ $row['author'] ]} WHERE author = '$author';";
       
    30     if ( !$db->sql_query($sql) )
       
    31       $db->_die();
       
    32     $updated[] = $row['author'];
       
    33   }
       
    34 }
       
    35