Oracle PL/SQL编程学习笔记：序列和自动编号

-- Create sequence
create sequence IN_OUT_SEQ
minvalue 0
maxvalue 9999999
start with 200
increment by 1
cache 20;

create or replace procedure SENDERINOUTREPORT_INSERT(
V_SENDER_ID in NVARCHAR2,
V_IN_BRANCH_ID in NVARCHAR2,
V_IN_REPORT_TIME in DATE,
V_IN_FLAG in NUMBER,
V_INDATE in DATE) is
v_num NUMBER:=0;
begin
select count(IN_OUT_ID) into v_num from SENDERINOUTREPORT
where SENDER_ID=V_SENDER_ID and INDATE =to_date(to_char(V_INDATE,'yyyy-mm-dd'),'yyyy-mm-dd');
if (v_num=0)  then
insert into SENDERINOUTREPORT(IN_OUT_ID,SENDER_ID,IN_BRANCH_ID,IN_REPORT_TIME,
IN_FLAG,INDATE) values(IN_OUT_SEQ.NEXTVAL,V_SENDER_ID,V_IN_BRANCH_ID,V_IN_REPORT_TIME,
V_IN_FLAG,to_date(to_char(V_INDATE,'yyyy-mm-dd'),'yyyy-mm-dd'));
end if;
end SENDERINOUTREPORT_INSERT;