$force - ignore duplicate errors
$init - presume $filename is initialization file with '0_' prefix
$protect - protect users/roles
- $return_errors - return errors instead of display them
+ $system - system upgrade; no constrains on queries, does not rearrange sql queries, returns collected errors
*/
-function db_import($filename, $connection, $force=true, $init=true, $protect=false, $return_errors=false)
+function db_import($filename, $connection, $force=true, $init=true, $protect=false, $system=false)
{
global $db, $SysPrefs;
ini_set("max_execution_time", max("180", ini_get("max_execution_time")));
db_query("SET foreign_key_checks=0");
+ db_query("SET sql_mode=''");
if (isset($connection['collation']))
db_set_collation($db, $connection['collation']);
if ($query_table == '')
{ // check if line begins with one of allowed queries
- foreach($allowed_commands as $cmd => $table)
- {
- if (strtolower(substr($line, 0, strlen($cmd))) == $cmd)
+ if ($system) {
+ $query_table = 'data_queries'; // dont reorder queries, only standard delimiter allowed
+ ${$query_table}[] = array('', $line_no+1);
+ $skip = false;
+ } else
+ foreach($allowed_commands as $cmd => $table)
{
- if ($cmd == 'delimiter') {
- $delimiter = trim(substr($line, 10));
- continue 2;
- }
- $query_table = $table;
- $skip = false;
- if ($protect)
+ if (strtolower(substr($line, 0, strlen($cmd))) == $cmd)
{
- foreach($protected as $protbl)
- if (strpos($line, $connection["tbpref"].$protbl) !== false)
- {
- $skip = true; break;
- }
+ if ($cmd == 'delimiter') {
+ $delimiter = trim(substr($line, 10));
+ continue 2;
+ }
+ $query_table = $table;
+ $skip = false;
+ if ($protect)
+ {
+ foreach($protected as $protbl)
+ if (strpos($line, $connection["tbpref"].$protbl) !== false)
+ {
+ $skip = true; break;
+ }
+ }
+ if (!$skip)
+ ${$query_table}[] = array('', $line_no+1);
+ break;
}
- if (!$skip)
- ${$query_table}[] = array('', $line_no+1);
- break;
}
- }
}
if($query_table != '') // inside allowed query
{
if ($new_file) // import on old db is forbidden: this would destroy db content unless latin1 was used before in UI
{
$msg = _("This is new format backup file which cannot be restored on database not migrated to utf8.");
- if ($return_errors)
+ if ($system)
return $msg;
else
display_error($msg);
fclose($f);
}
/*/
- if ($return_errors)
+ if ($system)
{ // prevent errors display
$save_debug = $SysPrefs->go_debug;
$SysPrefs->go_debug = 0;
}
}
- if ($return_errors)
+ if ($system)
$SysPrefs->go_debug = $save_debug;
$SysPrefs->sql_trail = $trail;
db_set_charset($db, $old_encoding); // restore connection encoding
if (count($sql_errors)) {
- if ($return_errors)
+ if ($system)
return $sql_errors;
// display first failure message; the rest are probably derivative