V_BEGIN_DT_M DATE; --按月开始日期
V_BEGIN_DT_Q DATE; --按季开始日期
V_BEGIN_DT_H DATE; --按半年开始日期
V_BEGIN_DT_Y DATE; --按年开始日期
V_END_DT_M DATE; --按月结束日期
V_END_DT_Q DATE; --按季结束日期
V_END_DT_H DATE; --按半年结束日期
V_END_DT_Y DATE; --按年结束日期
SELECT
TRUNC(V_DATE,'MM') V_DATE_M,--月报
TRUNC(V_DATE,'Q') V_DATE_Q, --季报
CASE
WHEN TO_CHAR(V_DATE,'MM')
WHEN TO_CHAR(V_DATE,'MM') >'06' THEN PKG_COMM_UTIL.FUNC_TO_DATE((TO_CHAR(V_DATE,'YYYY') || '0701'),'YYYYMMDD')
END V_DATE_H, --半年报
TRUNC(V_DATE,'YYYY') V_DATE_Y, --年报
LAST_DAY(V_DATE) AS V_END_DT_M,
ADD_MONTHS(TRUNC(V_DATE,'Q'),3)-1 AS V_END_DT_Q,
CASE
WHEN TO_CHAR(V_DATE, 'MM') < '07' THEN ADD_MONTHS(TRUNC(V_DATE,'YYYY'),6)-1
WHEN TO_CHAR(V_DATE, 'MM') > '06' THEN ADD_MONTHS(TRUNC(V_DATE,'YYYY'),12)-1
END AS V_END_DT_H,
ADD_MONTHS(TRUNC(V_DATE,'YYYY'),12)-1 AS V_END_DT_Y
INTO V_BEGIN_DT_M, V_BEGIN_DT_Q, V_BEGIN_DT_H, V_BEGIN_DT_Y,
V_END_DT_M, V_END_DT_Q, V_END_DT_H, V_END_DT_Y
FROM DUAL;
