libdir.'/xmlize.php');
/// Add required XMLDB constants
require_once($CFG->libdir.'/xmldb/xmldb_constants.php');
/// Add required XMLDB DB classes
require_once($CFG->libdir.'/xmldb/xmldb_object.php');
require_once($CFG->libdir.'/xmldb/xmldb_file.php');
require_once($CFG->libdir.'/xmldb/xmldb_structure.php');
require_once($CFG->libdir.'/xmldb/xmldb_table.php');
require_once($CFG->libdir.'/xmldb/xmldb_field.php');
require_once($CFG->libdir.'/xmldb/xmldb_key.php');
require_once($CFG->libdir.'/xmldb/xmldb_index.php');
require_once($CFG->libdir.'/xmldb/xmldb_statement.php');
require_once($CFG->libdir.'/ddl/sql_generator.php');
require_once($CFG->libdir.'/ddl/database_manager.php');
/**
* DDL exception class, use instead of error() and "return false;" in ddl code.
*/
class ddl_exception extends moodle_exception {
function __construct($errorcode, $a=NULL, $debuginfo=null) {
parent::__construct($errorcode, '', '', $a, $debuginfo);
}
}
/**
* Table does not exist problem exception
*/
class ddl_table_missing_exception extends ddl_exception {
function __construct($tablename, $debuginfo=null) {
parent::__construct('ddltablenotexist', $tablename, $debuginfo);
}
}
/**
* Table does not exist problem exception
*/
class ddl_field_missing_exception extends ddl_exception {
function __construct($fieldname, $tablename, $debuginfo=null) {
$a = new object();
$a->fieldname = $fieldname;
$a->tablename = $tablename;
parent::__construct('ddlfieldnotexist', $a, $debuginfo);
}
}
/**
* Error during changing db structure
*/
class ddl_change_structure_exception extends ddl_exception {
public $error;
public $sql;
function __construct($error, $sql=null) {
$this->error = $error;
$this->sql = $sql;
$errorinfo = s($error).'
'.s($sql);
parent::__construct('ddlexecuteerror', NULL, $errorinfo);
}
}