SP_CREATE_TIME_DIMENSION 自动生成周末日期-优快云博客

本文链接：https://blog.youkuaiyun.com/china_demon/article/details/52135612

本文介绍了一个用于生成时间维度数据的存储过程SP_CREATE_TIME_DIMENSION。该过程接受开始时间和结束时间作为参数，并在这两个时间范围内逐天生成时间维度数据，包括日期、年份、季度、月份、周数和星期等信息。

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CREATE OR REPLACE PROCEDURE SP_CREATE_TIME_DIMENSION(begin_date in varchar2,
end_date in varchar2) is

/*SP_CREATE_TIME_DIMENSION: 生成时间维数据
begin_date: 起始时间
end_date:结束时间
*/
dDate date;
v_the_date number;
v_the_year varchar2(4);
v_the_quarter varchar2(2);
v_the_month varchar2(10);
v_the_month2 varchar2(2);
v_the_week varchar2(2);
v_the_day varchar2(10);
v_the_day2 varchar2(2);
v_week_day nvarchar2(10);

adddays int;
BEGIN
adddays := 1 ;
dDate := to_date(begin_date,'yyyymmdd');

WHILE (dDate <= to_date(end_date,'yyyymmdd'))
loop
v_the_date := to_number(to_char(dDate,'yyyymmdd'));--key值
v_the_year:= to_char(dDate, 'yyyy');--年
v_the_quarter := to_char(dDate, 'q');--季度
v_the_month:=to_char(dDate, 'mm');--月份(字符型)
v_the_month2:=to_number(to_char(dDate, 'mm'));--月份(数字型)
v_the_day:=to_char(dDate, 'dd');--日(字符型)
v_the_day2:=to_char(dDate, 'dd');
v_the_week:= to_char(dDate,'fmww');--年的第几周
v_week_day := to_char(dDate, 'day'); --星期几

insert into time_dimension(the_date,date_name,the_year,year_name,
the_quarter,quarter_name,the_month,
month_name,the_week,week_name,week_day)
values(v_the_date,v_the_year||'年'||v_the_month2||'月'||v_the_day2||'日',v_the_year,v_the_year||'年',
v_the_year||'Q'||v_the_quarter,v_the_year||'年'||v_the_quarter||'季度',to_number(v_the_year||v_the_month),
v_the_year||'年'||v_the_month2||'月',v_the_week,'第'||v_the_week||'周',
v_week_day);

dDate := dDate + adddays;
END loop;
commit;
end SP_CREATE_TIME_DIMENSION;