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--oracle ´¥·¢Æ÷£¬×ª sqlserver ÎÊÌâ

--oracle ´¥·¢Æ÷£¬×ª sqlserver ÎÊÌâ
CREATE OR REPLACE TRIGGER TG_BU_TSTK_IMPORTITEM
BEFORE UPDATE ON TSTK_IMPORTITEM
FOR EACH ROW
DECLARE
VAR_LIBGOODCOUNT NUMERIC(12,2);
BEGIN
---ÔÚOracle ÊÇÓÐ:new. ´ú±íÊÇеÄÖµ£¬ :old ´ú±íÊǾɵÄÖµ£¬ ÎÒÀûÓÃÕâÁ½¸öÊýÀ´¸ü¸ÄÁíÍâÒ»¸öÊýÁ¿
---ÇëÎÊÔÚsql server  µÄ´¥·¢Æ÷´úÂë¸ÃÈçºÎ×ö£¿È¡µÃ :old.f_count  ºÍ new.f_count ?
  IF (:OLD.F_COUNT <> :NEW.F_COUNT) OR (:OLD.F_BARCODE <>:NEW.F_BARCODE) THEN
    UPDATE STK_COMMODITY SET F_COUNT=F_COUNT-:OLD.F_COUNT WHERE F_ACCOUNTSUITID=:OLD.F_ACCOUNTSUITID
    AND F_BARCODE=:OLD.F_BARCODE;
    UPDATE STK_COMMODITY SET F_COUNT=F_COUNT+:NEW.F_COUNT WHERE F_ACCOUNTSUITID=:NEW.F_ACCOUNTSUITID
    AND F_BARCODE=:NEW.F_BARCODE;
  END IF;
 
END;
/
»ù±¾Ð´·¨ÈçÏÂ:

--´¥·¢Æ÷µÄ²Ù×÷1

create table »¯ÑéÊÒÉ´×é(±¾³§±àºÅ int,¿Í»§ int,É«ºÅ int,É´Ö§ int)
create table »¯ÑéÊÒ²¼×é(±¾³§±àºÅ int,¿Í»§ int,É«ºÅ int,²¼Àà int)
go
create trigger my_trig on »¯ÑéÊÒÉ´×é for insert ,update ,delete
as
if not exists(select 1 from inserted)
  delete »¯ÑéÊÒ²¼×é from deleted t where »¯ÑéÊÒ²¼×é.±¾³§±àºÅ = t.±¾³§±àºÅ
else if not exists(select 1 from deleted)
  insert into »¯ÑéÊÒ²¼×é(±¾³§±àºÅ ,¿Í»§ ,É«ºÅ) select ±¾³§±àºÅ ,¿Í»§ ,É«ºÅ from inse


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