Thanks for reply.
But when I waited for upgrading, the mysqld is crash. (the upgrade process almost run 13 hours.)
Belows are error messages:
--------------------------------------------------------------
Database transaction aborted automatically in /home/dondon/public_html/moodle243/admin/cli/upgrade.php
Default exception handler: 從資料庫讀取失敗 Debug: Lost connection to MySQLserver during query
SELECT DISTINCT
cs.id, cs.course
FROM
mdl_course_sections cs
INNER JOIN mdl_course_sections older
ON cs.course = older.course AND cs.section = older.section
AND older.id < cs.id
[array (
)]
Error code: dmlreadexception
* line 426 of /lib/dml/moodle_database.php: dml_read_exception thrown
* line 960 of /lib/dml/mysqli_native_moodle_database.php: call to moodle_database->query_end()
* line 378 of /lib/db/upgrade.php: call to mysqli_native_moodle_database->get_recordset_sql()
* line 1493 of /lib/upgradelib.php: call to xmldb_main_upgrade()
* line 153 of /admin/cli/upgrade.php: call to upgrade_core()
!!! 從資料庫讀取失敗 !!!
!! Lost connection to MySQL server during query
SELECT DISTINCT
cs.id, cs.course
FROM
mdl_course_sections cs
INNER JOIN mdl_course_sections older
ON cs.course = older.course AND cs.section = older.section
AND older.id < cs.id
[array (
)]
Error code: dmlreadexception !!
!! Stack trace: * line 426 of /lib/dml/moodle_database.php: dml_read_exception thrown
* line 960 of /lib/dml/mysqli_native_moodle_database.php: call to moodle_database->query_end()
* line 378 of /lib/db/upgrade.php: call to mysqli_native_moodle_database->get_recordset_sql()
* line 1493 of /lib/upgradelib.php: call to xmldb_main_upgrade()
* line 153 of /admin/cli/upgrade.php: call to upgrade_core()
!!
PHP Fatal error: Exception thrown without a stack frame in Unknown on line 0
Fatal error: Exception thrown without a stack frame in Unknown on line 0