create sequence SEQ_ERRORID minvalue 1 maxvalue 99999999 start with 1000 increment by 1 nocache order;
create or replace trigger tri_ERRORINFO_ERRORID --触发器名称 before insert on REPORT_ERRORINFO_PDF --Test是表名 for each row declare nextid number; begin IF :new.ERRORID IS NULL or :new.ERRORID=0 THEN --id是列名 select SEQ_ERRORID.nextval --S_Test正是刚才创建的序列 into nextid from sys.dual; :new.ERRORID:=nextid; end if; end tri_ERRORINFO_ERRORID;
DROP TRIGGER tri_ERRORINFO_ERRORID
drop sequence SEQ_ERRORID
转载于:https://www.cnblogs.com/leakeyash/p/3701291.html