Delete a VM in an Error State in Openstack

Delete a VM in an Error State

mysql -u$MYSQL_USER -p$MYSQL_PASSWD -h$MYSQL_HOST -e 'USE nova; DELETE FROM security_group_instance_association WHERE instance_id IN (SELECT id FROM instances WHERE vm_state = "error");'
mysql -u$MYSQL_USER -p$MYSQL_PASSWD -h$MYSQL_HOST -e 'USE nova; DELETE FROM block_device_mapping WHERE instance_id IN (SELECT id FROM instances WHERE vm_state = "error");'
mysql -u$MYSQL_USER -p$MYSQL_PASSWD -h$MYSQL_HOST -e 'USE nova; DELETE FROM instance_info_caches WHERE instance_id IN (SELECT uuid FROM instances WHERE vm_state = "error");'
mysql -u$MYSQL_USER -p$MYSQL_PASSWD -h$MYSQL_HOST -e 'USE nova; UPDATE fixed_ips SET allocated = 0 WHERE instance_id IN (SELECT id FROM instances WHERE vm_state = "error");'
mysql -u$MYSQL_USER -p$MYSQL_PASSWD -h$MYSQL_HOST -e 'USE nova; DELETE FROM instances WHERE vm_state = "error";'