--! qt:dataset:src | |
set hive.stats.autogather=true; | |
CREATE TABLE stats_invalid (key string, value string); | |
insert overwrite table stats_invalid | |
select * from src; | |
analyze table stats_invalid compute statistics for columns key,value; | |
desc formatted stats_invalid; | |
alter table stats_invalid add columns (new_col string); | |
desc formatted stats_invalid; | |
drop table stats_invalid; | |