| set hive.strict.checks.bucketing=false; |
| |
| create table src_rc_merge_test_n1(key int, value string) stored as rcfile; |
| |
| load data local inpath '../../data/files/smbbucket_1.rc' into table src_rc_merge_test_n1; |
| |
| set hive.exec.compress.output = true; |
| |
| create table tgt_rc_merge_test_n1(key int, value string) stored as rcfile; |
| insert into table tgt_rc_merge_test_n1 select * from src_rc_merge_test_n1; |
| insert into table tgt_rc_merge_test_n1 select * from src_rc_merge_test_n1; |
| |
| show table extended like `tgt_rc_merge_test_n1`; |
| |
| select count(1) from tgt_rc_merge_test_n1; |
| select sum(hash(key)), sum(hash(value)) from tgt_rc_merge_test_n1; |
| |
| alter table tgt_rc_merge_test_n1 concatenate; |
| |
| show table extended like `tgt_rc_merge_test_n1`; |
| |
| select count(1) from tgt_rc_merge_test_n1; |
| select sum(hash(key)), sum(hash(value)) from tgt_rc_merge_test_n1; |
| |
| drop table src_rc_merge_test_n1; |
| drop table tgt_rc_merge_test_n1; |
