| create external table empty_external_table(age int, name string, id int) stored as orc; |
| create external table t6 like empty_external_table; |
| create external table t5 like empty_external_table; |
| |
| -- this below is not supposed to put an empty file into the external table (instead only clear its contents) |
| insert overwrite table empty_external_table select a.* from t5 a full outer join t6 b on a.id=b.id and a.name=b.name and a.age=b.age; |
| select count(*) from empty_external_table; |
| dfs -ls ${hiveconf:hive.metastore.warehouse.dir}/empty_external_table/; |
| |
| drop table t5; |
| drop table t6; |
| drop table empty_external_table; |
