-- 示例1：
use temp;
drop table tmp_cuiwei_main_recommend;
create table if not exists tmp_cuiwei_main_recommend(
sml_sa_id int,
sml_set_time int,
sml_cancel_time int
)row format delimited
fields terminated by ','
lines terminated by '\n';
-- local 表示資料檔案在linux檔案系統。如果不加local，則需要將檔案上傳到hdfs
load data local inpath '/data/home/gongzi/main_recommend.csv' into table temp.tmp_cuiwei_main_recommend;
select
sml_sa_id,
-- 加上##號的目的是看字段與資料有沒有對應上
"##",
sml_set_time,
"##",
sml_cancel_time
from temp.tmp_cuiwei_main_recommend limit 30;
-- 示例2：
use temp;
drop table main_goods_yongyuan;
create table if not exists main_goods_yongyuan(
a string,
b string,
c string,
d string,
e int
)row format delimited
fields terminated by ','
lines terminated by '\n';
-- local 表示資料檔案在linux檔案系統。如果不加local，則需要將檔案上傳到hdfs
load data local inpath '/tmp/xiaoming.txt' into table temp.main_goods_yongyuan;
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