mysql中hive的元數據信息
mysql中關於hive的元數據存放表
+---------------------------+
| Tables_in_hive2 |
+---------------------------+
| aux_table |
| bucketing_cols |
| cds |
| columns_v2 |
| compaction_queue |
| completed_compactions |
| completed_txn_components |
| database_params |
| db_privs |
| dbs |
| delegation_tokens |
| func_ru |
| funcs |
| global_privs |
| hive_locks |
| idxs |
| index_params |
| key_constraints |
| master_keys |
| next_compaction_queue_id |
| next_lock_id |
| next_txn_id |
| notification_log |
| notification_sequence |
| nucleus_tables |
| part_col_privs |
| part_col_stats |
| part_privs |
| partition_events |
| partition_key_vals |
| partition_keys |
| partition_params |
| partitions |
| role_map |
| roles |
| sd_params |
| sds |
| sequence_table |
| serde_params |
| serdes |
| skewed_col_names |
| skewed_col_value_loc_map |
| skewed_string_list |
| skewed_string_list_values |
| skewed_values |
VERSION表
hive的版本信息以及hive所在主機的地址
mysql> SELECT * FROM VERSION;
+--------+----------------+----------------------------------------+
| VER_ID | SCHEMA_VERSION | VERSION_COMMENT |
+--------+----------------+----------------------------------------+
| 1 | 2.1.0 | Set by MetaStore [email protected] |
+--------+----------------+----------------------------------------+
DBS表
存放hive數據庫的元數據信息
mysql> select * from DBS;
+-------+-----------------------+----------------------------------------------+---------+------------+------------+
| DB_ID | DESC | DB_LOCATION_URI | NAME | OWNER_NAME | OWNER_TYPE |
+-------+-----------------------+----------------------------------------------+---------+------------+------------+
| 1 | Default Hive database | hdfs://mycluster/user/hive/warehouse | default | public | ROLE |
| 21 | NULL | hdfs://mycluster/user/hive/warehouse/tang.db | tang | centos | USER |
+-------+-----------------------+----------------------------------------------+---------+------------+------------+
TBLS表
TBLS 存放了各表的元數據信息。
mysql> select * from TBLS;
+--------+-------------+-------+------------------+--------+-----------+-------+--------------+---------------+--------------------+--------------------+
| TBL_ID | CREATE_TIME | DB_ID | LAST_ACCESS_TIME | OWNER | RETENTION | SD_ID | TBL_NAME | TBL_TYPE | VIEW_EXPANDED_TEXT | VIEW_ORIGINAL_TEXT |
+--------+-------------+-------+------------------+--------+-----------+-------+--------------+---------------+--------------------+--------------------+
| 56 | 1557839523 | 1 | 0 | centos | 0 | 61 | tt | MANAGED_TABLE | NULL | NULL |
| 66 | 1575383020 | 1 | 0 | centos | 0 | 71 | test2 | MANAGED_TABLE | NULL | NULL |
| 71 | 1575462931 | 21 | 0 | centos | 0 | 76 | student_test | MANAGED_TABLE | NULL | NULL |
+--------+-------------+-------+------------------+--------+-----------+-------+--------------+---------------+--------------------+--------------------+
COLUMNS_V2表
COLUMNS_V2表存放了列的元數據信息
mysql> select * from COLUMNS_V2;
+-------+---------+-------------+-----------------------------+-------------+
| CD_ID | COMMENT | COLUMN_NAME | TYPE_NAME | INTEGER_IDX |
+-------+---------+-------------+-----------------------------+-------------+
| 71 | NULL | id | int | 0 |
| 71 | NULL | info | struct<name:string,age:int> | 1 |
+-------+---------+-------------+-----------------------------+-------------+
PARTITOINS 表
PARTITOINS 表存放了表分區的元數據信息.
PARTITION_KEYS表
PARTITION_KEYS 存放了分區key的元數據信息
PARTITION_VALUES表
PARTITION_VALUES 存放了分區值的元數據信息 、
