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create or replace package body PKG_T_BlogSearchDate
as
procedure PRO_T_BlogSearchDate(bgdate varchar2,mycur_out out mycur)
is
mm_temp date;--ÉÏÒ»ÔÂ
begin
select to_char(add_months(trunc(bgdate),-1),'yyyy-mm') into mm_temp from dual; --¸ù¾Ý´«ÈëÔ·ݣ¬»ñÈ¡ÉÏÒ»Ô·Ý
open mycur_out for
select * from t_blog where bg_date between mm_temp and bgdate order by bg_date desc;
end PRO_T_BlogSearchDate;
end PKG_T_BlogSearchDate;

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1)
--±¨´íÔÚÕâÀ
select to_char(add_months(trunc(bgdate),-1),'yyyy-mm') into mm_temp from dual; --¸ù¾Ý´«ÈëÔ·ݣ¬»ñÈ¡ÉÏÒ»Ô·Ý

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select add_months(to_date(bgdate || '-01', 'yyyy-mm-dd'), -1) into mm_temp from dual;

2)
select * from t_blog where bg_date between mm_temp and bgdate order by bg_date desc;
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create or replace package body PKG_T_BlogSearchDate
as
procedure PRO_T_BlogSearchDate(bgdate varchar2,mycur_out out mycur)
is
mm_temp date;--ÉÏÒ»ÔÂ
begin
select to_char(add_months(trunc(bgdate),-1),'yyyy-mm') into mm_temp from dual; --¸ù¾Ý´«ÈëÔ·ݣ¬»ñÈ¡ÉÏÒ»Ô·Ý
open mycur_out for
select * from


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