ate: 2018-10-25 08:34
To: user
Subject: Re: Question about INSERT OVERWRITE TABLE with dynamic partition
A logical explanation could be:-
In the first query, you are telling hive which partition to overwrite, so a
step which actually deletes the partition data and overwrites it with the query
res
A logical explanation could be:-
In the first query, you are telling hive which partition to overwrite, so a
step which actually deletes the partition data and overwrites it with the
query result, knows that which partition to delete and there is an empty
result/file to move.
but for the second qu
