-- Create table
create table TEMP_CALENDAR
(
MONTH VARCHAR2(6),
W_7 VARCHAR2(2),
W_1 VARCHAR2(2),
W_2 VARCHAR2(2),
W_3 VARCHAR2(2),
W_4 VARCHAR2(2),
W_5 VARCHAR2(2),
W_6 VARCHAR2(2),
WEEK VARCHAR2(20)
) ;
-- Add comments to the table
comment on table TEMP_CALENDAR
is '日期源数据表';
-- Add comments to the columns
comment on column TEMP_CALENDAR.MONTH
is '月份（格式如：200801）';
comment on column TEMP_CALENDAR.W_7
is '周日的日期（如：06）';
comment on column TEMP_CALENDAR.W_1
is '周一（如：07）';
comment on column TEMP_CALENDAR.W_2
is '周二（如：08）';
comment on column TEMP_CALENDAR.W_3
is '周三（如：09）';
comment on column TEMP_CALENDAR.W_4
is '周四（如：10）';
comment on column TEMP_CALENDAR.W_5
is '周五（如：11）';
comment on column TEMP_CALENDAR.W_6
is '周六（如：12）';
comment on column TEMP_CALENDAR.WEEK
is '本月第几周';
----生成 日历信息
-- truncate table calendar;
declare
vi_begin_year number(6);
vi_end_year number(6);
vi_year number(6);
vi_month number(6);
vs_month varchar2(6);
vs_first_day varchar2(8);
begin
vi_begin_year :=2000; ---start year
vi_end_year :=2100; --- end year
vi_month :=1;
vi_year := vi_begin_year;
loop exit when(vi_year > vi_end_year);
for i in 1..12 loop
if length(i) =1 then
vs_month := to_char(vi_year)||'0'||to_char(i);
else
vs_month := to_char(vi_year)||to_char(i);
end if;
vs_first_day := vs_month||'01';
insert into temp_calendar ( month, week,w_7, w_1, w_2, w_3, w_4, w_5, w_6 )
select substr(vs_first_day,1,6) month,
ceil((to_char(everyday,'dd')+(to_char(to_date(vs_first_day,'yyyymmdd'),'d')-1))/7) as week,
sum(decode(to_char(everyday,'dy'),'星期日',to_char(everyday,'dd'))) as 星期日,
sum(decode(to_char(everyday,'dy'),'星期一',to_char(everyday,'dd'))) as 星期一,
sum(decode(to_char(everyday,'dy'),'星期二',to_char(everyday,'dd'))) as 星期二,
sum(decode(to_char(everyday,'dy'),'星期三',to_char(everyday,'dd'))) as 星期三,
sum(decode(to_char(everyday,'dy'),'星期四',to_char(everyday,'dd'))) as 星期四,
sum(decode(to_char(everyday,'dy'),'星期五',to_char(everyday,'dd'))) as 星期五,
sum(decode(to_char(everyday,'dy'),'星期六',to_char(everyday,'dd'))) as 星期六
from(
select to_date(vs_first_day,'yyyymmdd') + level - 1 as everyDay
from dual
connect by level <= (last_day(to_date(vs_first_day,'yyyymmdd'))
- to_date(vs_first_day,'yyyymmdd') +1) )
group by ceil((to_char(everyday,'dd')+(to_char(to_date(vs_first_day,'yyyymmdd'),'d')-1))/7) ;
commit;
end loop;
vi_year := vi_year+1;
end loop;
end;
order by a.year,a.month, a.week;