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  • 简单的oracle触发器例子

    简单的oracle触发器例子

    ---术前访视术后随访触发器
    create or replace trigger t_update_trigger
    after update or insert or delete
    on MED_SMARTREPORT_TEMPLATE
    for each row
    declare
    stateCount number;
    begin
    select count(1) into stateCount from MED_Template_State where ReportTemplateID=:NEW.ReportTemplateID;
    if stateCount>0 then
    update MED_Template_State set ReportState=ReportState+1 where ReportTemplateID=:NEW.ReportTemplateID;
    else
    insert into MED_Template_State(ReportTemplateID,ReportState) values(:NEW.ReportTemplateID,1);
    end if;
    end;

    select * from MED_Template


    select * from MED_ANESTHESIA_INPUT_DICT for update;
    ---数据字典触发器
    create or replace trigger trigger_MEDANESTHESIAINPUTDICT
    after  insert or update  or delete
    on MED_ANESTHESIA_INPUT_DICT
    for each row
    declare
    stateCount number;
    begin
    select count(1) into stateCount from MED_Template_State where ReportTemplateID=3;
    if stateCount>0 then
    update MED_Template_State set ReportState=ReportState+1 where ReportTemplateID=3;
    else
    insert into MED_Template_State(ReportTemplateID,ReportState) values(3,1);
    end if;
    end;
    --select * from MED_Template_State


    select * from MED_ANAESTHESIA_DICT for update;

    select * from MED_Template_State
    ---麻醉字典触发器
    create or replace trigger trigger_MEDANAESTHESIADICT
    after  insert or update  or delete
    on MED_ANAESTHESIA_DICT
    for each row
    declare
    stateCount number;
    begin
    select count(1) into stateCount from MED_Template_State where ReportTemplateID=4;
    if stateCount>0 then
    update MED_Template_State set ReportState=ReportState+1 where ReportTemplateID=4;
    else
    insert into MED_Template_State(ReportTemplateID,ReportState) values(4,1);
    end if;
    end;

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  • 原文地址:https://www.cnblogs.com/bestsaler/p/1835488.html
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