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"fix for bug reported on the english user list:

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limit on the number of cascaded folders in Filemanager
--> MySQL 5.0 has a nesting limit for subqueries
--> working around that by limiting the nesting level to 10"
This commit is contained in:
Ralf Becker 2009-05-01 19:12:25 +00:00
parent 53a83a081e
commit b71d829bca
1 changed files with 13 additions and 0 deletions
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13
phpgwapi/inc/class.sqlfs_stream_wrapper.inc.php
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@ -989,6 +989,19 @@ class sqlfs_stream_wrapper implements iface_stream_wrapper
} }
elseif ($n < count($parts)-1) elseif ($n < count($parts)-1)
{ {
// MySQL 5.0 has a nesting limit for subqueries
// --> we replace the so far cumulated subqueries with their result
// no idea about the other DBMS, but this does NOT hurt ...
if ($n > 1 && !(($n-1) % 10) && !($query = self::$pdo->query($query)->fetchColumn()))
{
if (self::LOG_LEVEL > 1)
{
self::_remove_password($url);
error_log(__METHOD__."('$url',$flags) file or directory not found!");
}
// we also store negatives (all methods creating new files/dirs have to unset the stat-cache!)
return self::$stat_cache[$path] = false;
}
$query = 'SELECT fs_id FROM '.self::TABLE.' WHERE fs_dir=('.$query.') AND fs_name'.self::$case_sensitive_equal.self::$pdo->quote($name); $query = 'SELECT fs_id FROM '.self::TABLE.' WHERE fs_dir=('.$query.') AND fs_name'.self::$case_sensitive_equal.self::$pdo->quote($name);
// if we are not root AND have no extended acl access, we need to make sure the user has the right to tranverse all parent directories (read-rights) // if we are not root AND have no extended acl access, we need to make sure the user has the right to tranverse all parent directories (read-rights)