Oracle之一份标准日历表的构建

select TO_NUMBER(to_char(everyDay,'yyyymmdd')) as ID,
everyDay as CODE,
to_char(everyday,'yyyy')||'年'||TO_NUMBER(to_char(everyday,'mm'))||'月'||TO_NUMBER(to_char(everyday,'dd'))||'日' AS NAME,
TO_NUMBER(to_char(everyday,'yyyy')) as YEAR_ID,
to_char(everyday,'yyyy')||'年' as YEAR_NAME,
CASE WHEN TO_NUMBER(to_char(everyday,'mm'))<=6 THEN 1 ELSE 2 END AS SEMESTER_ID,
CASE WHEN TO_NUMBER(to_char(everyday,'mm'))<=6 THEN '上半年' ELSE '下半年' END AS SEMESTER_NAME,
CASE WHEN TO_NUMBER(to_char(everyday,'mm'))<=3 THEN 1
WHEN TO_NUMBER(to_char(everyday,'mm'))<=6 THEN 2
WHEN TO_NUMBER(to_char(everyday,'mm'))<=9 THEN 3
ELSE 4 END AS QUARTER_ID,
CASE WHEN TO_NUMBER(to_char(everyday,'mm'))<=3 THEN '一季度'
WHEN TO_NUMBER(to_char(everyday,'mm'))<=6 THEN '二季度'
WHEN TO_NUMBER(to_char(everyday,'mm'))<=9 THEN '三季度'
ELSE '四季度' END AS QUARTER_NAME,
TO_NUMBER(to_char(everyday,'mm')) as MONTH_ID,
TO_NUMBER(to_char(everyday,'mm'))||'月' as MONTH_NAME,
CASE WHEN TO_NUMBER(to_char(everyday,'dd'))<=10 THEN '上旬' WHEN TO_NUMBER(to_char(everyday,'dd'))<=20 THEN '中旬' ELSE '下旬' END as XUN,
TO_NUMBER(to_char(everyday,'dd')) as DAY,
CASE WHEN to_char(everyday,'dy')='星期一' THEN 1
WHEN to_char(everyday,'dy')='星期二' THEN 2
WHEN to_char(everyday,'dy')='星期三' THEN 3
WHEN to_char(everyday,'dy')='星期四' THEN 4
WHEN to_char(everyday,'dy')='星期五' THEN 5
WHEN to_char(everyday,'dy')='星期六' THEN 6
ELSE 7 END as WEEK_ID,
to_char(everyday,'dy') as WEEK_NAME,
-- lpad(to_char(everyday,'w'),6) as w,
-- to_char(everyday,'WW') AS WW,
-- to_char(everyday,'IW') AS IW,
-- to_char(everyday,'FMWW') AS FMWW,
TO_NUMBER(lpad(to_char(everyday,'IW'),6)) as ISOWEEK_NUMBER_OF_YEAR
from(select to_date('20100101','yyyymmdd') + level - 1 as everyDay from dual
connect by level <=
(last_day(to_date('20111101','yyyymmdd')) - to_date('20100101','yyyymmdd') +1));