| set hive.mapred.mode=nonstrict; |
| drop table if exists udf_tb1; |
| drop table if exists udf_tb2; |
| |
| create table udf_tb1 (year int, month int); |
| create table udf_tb2(month int); |
| insert into udf_tb1 values(2001, 11); |
| insert into udf_tb2 values(11); |
| |
| explain |
| select unix_timestamp(concat(a.year, '-01-01 00:00:00')) from (select * from udf_tb1 where year=2001) a join udf_tb2 b on (a.month=b.month); |
| select unix_timestamp(concat(a.year, '-01-01 00:00:00')) from (select * from udf_tb1 where year=2001) a join udf_tb2 b on (a.month=b.month); |
