使用MSCK命令修复Hive表分区

#当前没有partition元信息
hive> show partitions cr_cdma_bsi_mscktest;
OK
Time taken: 0.104 seconds


#创建两个分区目录
hive> dfs -mkdir /user/hive/warehouse/cr_cdma_bsi_mscktest/month=201603;
hive> dfs -mkdir /user/hive/warehouse/cr_cdma_bsi_mscktest/month=201604;


#使用MSCK修复分区
hive> msck repair table cr_cdma_bsi_mscktest;
OK
Partitions not in metastore:    cr_cdma_bsi_mscktest:month=201603
Partitions not in metastore:    cr_cdma_bsi_mscktest:month=201604
Repair: Added partition to metastore cr_cdma_bsi_mscktest:month=201603
Repair: Added partition to metastore cr_cdma_bsi_mscktest:month=201604
Time taken: 0.286 seconds, Fetched: 2 row(s)



#再次查看，发现已经成功更新元信息
hive> show partitions cr_cdma_bsi_mscktest;
OK
month=201603
month=201604
Time taken: 0.102 seconds, Fetched: 1 row(s)