DECLARE
ct NUMBER;
dt varchar2(200);
BEGIN
dt:=’’;
FOR d IN 21 … 21 LOOP – 日期
FOR h IN 15 … 18 LOOP --小时
FOR m IN 0 … 59 LOOP --分钟
FOR s IN 0 … 59 LOOP --秒
BEGIN
IF not (s=0 or s=30 ) THEN --每隔30s检查
continue;
END IF;
dt:=‘2015-09-’||lpad(to_char(d),2,0)||’ ‘||lpad(to_char(h),2,0)||’:’||lpad(to_char(m),2,0)||’:’||lpad(to_char(s),2,0);
BEGIN
select count(*) into ct from AAA as of timestamp to_Date(dt, 'yyyy-mm-dd hh24:mi:ss'); --AAA是要检查的表
EXCEPTION
WHEN NO_DATA_FOUND THEN
null;
WHEN OTHERS THEN
null;
END;
IF ct is not null THEN
DBMS_OUTPUT.PUT_LINE(dt||'------'||to_char(ct));
END IF;
END;
END LOOP;
END LOOP;
END LOOP;
END LOOP;
EXCEPTION
WHEN NO_DATA_FOUND THEN
raise;
WHEN OTHERS THEN
raise;
END;
–找到时间点后,修改下面的SQL ,恢复数据到临时的表中,检查确认正确后,导入到正式表中
–create table AAA164950 as select * from AAA as of timestamp to_Date(‘2015-09-21 16:49:50’, ‘yyyy-mm-dd hh24:mi:ss’)