Hive: Add partitions for existing folder structure

Question

I have a folder structure in HDFS like below. However, no partitions were actually created on the table using the ALTER TABLE ADD PARTITION commands, even thou

Answer 1

Use msck repair table command:

MSCK [REPAIR] TABLE tablename;

or

ALTER TABLE tablename RECOVER PARTITIONS;

if you are running Hive on EMR.

Read more details about both commands here: RECOVER PARTITIONS