Note
This view is introduced since OceanBase Database V4.0.0.
Purpose
This view displays information about subpartitions of partitioned tables in all tenants.
Columns
| Column | Type | Nullable? | Description |
|---|---|---|---|
| CON_ID | bigint(20) | NO | Tenant ID |
| TABLE_OWNER | varchar(128) | NO | Table owner |
| TABLE_NAME | varchar(128) | NO | Table name |
| PARTITION_NAME | varchar(128) | NO | Partition name |
| SUBPARTITION_NAME | varchar(128) | NO | Subpartition name |
| HIGH_VALUE | varchar(262144) | NO | Subpartition expression |
| HIGH_VALUE_LENGTH | bigint(20) | NO | Length of the subpartition expression |
| PARTITION_POSITION | bigint(20) | NO | Partition position |
| SUBPARTITION_POSITION | bigint(20) | NO | Position of the subpartition in the partition |
| TABLESPACE_NAME | varchar(30) | NO | Name of the tablespace that contains the subpartition |
| PCT_FREE | bigint(0) | NO | This column is not supported. The default value is NULL. |
| PCT_USED | bigint(0) | NO | This column is not supported. The default value is NULL. |
| INI_TRANS | bigint(0) | NO | This column is not supported. The default value is NULL. |
| MAX_TRANS | bigint(0) | NO | This column is not supported. The default value is NULL. |
| INITIAL_EXTENT | bigint(0) | NO | This column is not supported. The default value is NULL. |
| NEXT_EXTENT | bigint(0) | NO | This column is not supported. The default value is NULL. |
| MIN_EXTENT | bigint(0) | NO | This column is not supported. The default value is NULL. |
| MAX_EXTENT | bigint(0) | NO | This column is not supported. The default value is NULL. |
| MAX_SIZE | bigint(0) | NO | This column is not supported. The default value is NULL. |
| PCT_INCREASE | bigint(0) | NO | This column is not supported. The default value is NULL. |
| FREELISTS | bigint(0) | NO | This column is not supported. The default value is NULL. |
| FREELIST_GROUPS | bigint(0) | NO | This column is not supported. The default value is NULL. |
| LOGGING | varchar(3) | NO | This column is not supported. The default value is NULL. |
| COMPRESSION | varchar(8) | NO | Whether the subpartition is compressed |
| COMPRESS_FOR | varchar(30) | NO | Compression method |
| NUM_ROWS | bigint(0) | NO | This column is not supported. The default value is NULL. |
| BLOCKS | bigint(0) | NO | This column is not supported. The default value is NULL. |
| EMPTY_BLOCKS | bigint(0) | NO | This column is not supported. The default value is NULL. |
| AVG_SPACE | bigint(0) | NO | This column is not supported. The default value is NULL. |
| CHAIN_CNT | bigint(0) | NO | This column is not supported. The default value is NULL. |
| AVG_ROW_LEN | bigint(0) | NO | This column is not supported. The default value is NULL. |
| SAMPLE_SIZE | bigint(0) | NO | This column is not supported. The default value is NULL. |
| LAST_ANALYZED | date | NO | This column is not supported. The default value is NULL. |
| BUFFER_POOL | varchar(7) | NO | This column is not supported. The default value is NULL. |
| FLASH_CACHE | varchar(7) | NO | This column is not supported. The default value is NULL. |
| CELL_FLASH_CACHE | varchar(7) | NO | This column is not supported. The default value is NULL. |
| GLOBAL_STATS | varchar(3) | NO | This column is not supported. The default value is NULL. |
| USER_STATS | varchar(3) | NO | This column is not supported. The default value is NULL. |
| INTERVAL | varchar(3) | NO | This field is not supported. The default value is NO. |
| SEGMENT_CREATED | varchar(3) | NO | This column is not supported. The default value is NULL. |
| INDEXING | varchar(3) | NO | The default value is NULL. |
| READ_ONLY | varchar(3) | NO | The default value is NULL. |
| INMEMORY | varchar(8) | NO | The default value is NULL. |
| INMEMORY_PRIORITY | varchar(8) | NO | The default value is NULL. |
| INMEMORY_DISTRIBUTE | varchar(15) | NO | This column is not supported. The default value is NULL. |
| INMEMORY_COMPRESSION | varchar(17) | NO | The default value is NULL. |
| INMEMORY_DUPLICATE | varchar(13) | NO | The default value is NULL. |
| INMEMORY_SERVICE | varchar(12) | NO | The default value is NULL. |
| INMEMORY_SERVICE_NAME | varchar(1000) | NO | The default value is NULL. |
| CELLMEMORY | varchar(24) | NO | This column is not supported. The default value is NULL. |
| MEMOPTIMIZE_READ | varchar(8) | NO | The default value is NULL. |
| MEMOPTIMIZE_WRITE | varchar(8) | NO | The default value is NULL. |