| drop table if exists hlp1; |
| drop table if exists btl; |
| create table hlp1(c string); |
| load data local inpath '../../data/files/smbdata.txt' into table hlp1; |
| create table btl(c string) clustered by (c) sorted by (c) into 5 buckets; |
| insert overwrite table btl select * from hlp1; |
| SET hive.auto.convert.sortmerge.join = true; |
| SET hive.auto.convert.sortmerge.join.bigtable.selection.policy = org.apache.hadoop.hive.ql.optimizer.LeftmostBigTableSelectorForAutoSMJ; |
| SET hive.optimize.bucketmapjoin = true; |
| SET hive.optimize.bucketmapjoin.sortedmerge = true; |
| select 1 from btl join btl t1 on btl.c=t1.c limit 1; |
| |
