| create table ccn_table(key int, value string); |
| insert into ccn_table values('123a', 't1'), ('123', 't2'); |
| |
| set hive.cbo.enable=false; |
| explain select * from ccn_table where key > '123a'; |
| select * from ccn_table where key > '123a'; |
| |
| explain select * from ccn_table where key <=> '123a'; |
| select * from ccn_table where key <=> '123a'; |
| |
| set hive.cbo.enable=true; |
| explain cbo select * from ccn_table where key > '123a'; |
| select * from ccn_table where key > '123a'; |
| |
| explain cbo select * from ccn_table where key <=> '123a'; |
| select * from ccn_table where key <=> '123a'; |
| |
| drop table ccn_table; |