INSERT OVERWRITE TABLE tablename1 [PARTITION (partcol1=val1, partcol2=val2 ...) [IF NOT EXISTS]] select_statement1 FROM from_statement; INSERT INTO TABLE tablename1 [PARTITION (partcol1=val1, partcol2=val2 ...)] select_statement1 FROM from_statement; INSERT OVERWRITE将覆盖表或分区中...
INSERT OVERWRITE TABLE page_view PARTITION(dt='2008-06-08',country)SELECT pvs.viewTime,pvs.userid,pvs.page_url,pvs.referrer_url,null,null,pvs.ip,pvs.cnt--在这里,country分区将由SELECT子句(即pvs.cnt)的最后一列动态创建。--而dt分区是手动指定写死的。--如果是nonstrict模式下,dt分区也可以动态...
insert overwrite table jointable select b.id, b.t, b.uid, b.keyword, b.url_rank, b.click_num, b.click_url from bigtable a join bigtable2 b on a.id = b.id; 3 )创建分通表 1 create table bigtable_buck1( id bigint, t bigint, uid string, keyword string, url_rank int, cli...
INSERT OVERWRITE TABLE test PARTITION (part='a') SELECT id,name FROM source; 1. Hive0.7以后开始支持INSERT INTO,追加的方式。 通过一次查询,产生多个不相交的输出 FROM source INSERT OVERWRITE TABLE test PARTITION (part='a') SELECT id,name WHERE id>=0 AND id<100 INSERT OVERWRITE TABLE test PART...
ALTERTABLE`user_1`.`t_user`REPLACECOLUMNS(uid string,name string); 4 添加数据 4.1 语法 # 1. load LOADDATA[LOCAL] INPATH'filepath'[OVERWRITE]INTOTABLE tablename[PARTITION(partcol1=val1, partcol2=val2 ...)] # 2. insert
-- insert create table s1 like student; with q1 as ( select * from student where sno = 95002) from q1 insert overwrite table s1 select *; select * from s1; -- ctas create table s2 as with q1 as ( select * from student where sno = 95002) ...
insert overwritetabletable_name partiton(dayno='20190707',hour='12')否则,会报 Line1:89Partitionnotfound'20190707'。 #C_count #count(0)也算一条记录,计算uv时: 错:count(if(act_code in ('20090031','20180031','20090080'),1,0)) 对:count(if(act_code in ('20090031','20180031','20090080...
lv_test.dws_cdt_person where part_date=20220526 and branch_no = xxx; insert overwrite table lv...
insert int t_ptn partition(city=A) select id,name,sex, age where city= A insert int t_ptn partition(city=B) select id,name,sex, age where city= B 如果一个 HQL 底层要执行 10 个 Job ,那么能优化成 8 个一般来说,肯定能有所提高, ...
但是这只是查询，我需要将结果存储。如上图增加 insert overwrite table 错误信息如下(不会进入udf类)...