SELECT TASK_USER_ID AS userId , PWD AS userPw , USER_NM AS userNm , ESNTL_ID AS uniqId , IFNULL(LOCK_AT,'N') AS lockAt , IFNULL(LOCK_NCNT,0) AS lockNcnt FROM TB_TASK_USER_INFO WHERE TASK_USER_ID = #{id} UPDATE TB_TASK_USER_INFO SET LOCK_AT = CASE WHEN LOCK_NCNT > 1 THEN 'Y' ELSE '' END , LOCK_NCNT = IFNULL(LOCK_NCNT,0)+1 , LAST_CHG_DTM = sysdate() WHERE TASK_USER_ID = #{id} UPDATE TB_TASK_USER_INFO SET LOCK_AT = NULL , LOCK_NCNT = NULL , LAST_CHG_DTM = sysdate() WHERE TASK_USER_ID = #{id}