Note
This view is introduced since OceanBase Database V4.0.0.
Purpose
This view displays the information about the partitions, storage parameters, and statistics of the tables that the current user has access to.
Columns
| Column | Type | Nullable? | Description |
|---|---|---|---|
| TABLE_OWNER | varchar(128) | NO | The user who owns the partitioned table. |
| TABLE_NAME | varchar(128) | NO | The name of the partitioned table. |
| COMPOSITE | varchar(3) | NO | Indicates whether the table is a composite partitioned table. |
| PARTITION_NAME | varchar(128) | NO | The name of the partition. |
| SUBPARTITION_COUNT | bigint(20) | NO | The number of subpartitions. |
| HIGH_VALUE | mediumtext | NO | The partitioning expression. |
| HIGH_VALUE_LENGTH | bigint(20) | NO | The length of the partitioning expression. |
| PARTITION_POSITION | bigint(20) | NO | The position of the partition. |
| TABLESPACE_NAME | varchar(30) | NO | The name of the tablespace to which the partition belongs. |
| PCT_FREE | bigint(0) | NO | Not supported. The default value is NULL. |
| PCT_USED | bigint(0) | NO | Not supported. The default value is NULL. |
| INI_TRANS | bigint(0) | NO | Not supported. The default value is NULL. |
| MAX_TRANS | bigint(0) | NO | Not supported. The default value is NULL. |
| INITIAL_EXTENT | bigint(0) | NO | Not supported. The default value is NULL. |
| NEXT_EXTENT | bigint(0) | NO | Not supported. The default value is NULL. |
| MIN_EXTENT | bigint(0) | NO | Not supported. The default value is NULL. |
| MAX_EXTENT | bigint(0) | NO | Not supported. The default value is NULL. |
| MAX_SIZE | bigint(0) | NO | Not supported. The default value is NULL. |
| PCT_INCREASE | bigint(0) | NO | Not supported. The default value is NULL. |
| FREELISTS | bigint(0) | NO | Not supported. The default value is NULL. |
| FREELIST_GROUPS | bigint(0) | NO | Not supported. The default value is NULL. |
| LOGGING | varchar(7) | NO | Not supported. The default value is NULL. |
| COMPRESSION | varchar(8) | NO | Indicates whether compression is enabled. |
| COMPRESS_FOR | varchar(30) | NO | The compression method. |
| NUM_ROWS | bigint(0) | NO | Not supported. The default value is NULL. |
| BLOCKS | bigint(0) | NO | Not supported. The default value is NULL. |
| EMPTY_BLOCKS | bigint(0) | NO | Not supported. The default value is NULL. |
| AVG_SPACE | bigint(0) | NO | Not supported. The default value is NULL. |
| CHAIN_CNT | bigint(0) | NO | Not supported. The default value is NULL. |
| AVG_ROW_LEN | bigint(0) | NO | Not supported. The default value is NULL. |
| SAMPLE_SIZE | bigint(0) | NO | Not supported. The default value is NULL. |
| LAST_ANALYZED | date | NO | Not supported. The default value is NULL. |
| BUFFER_POOL | varchar(7) | NO | Not supported. The default value is NULL. |
| FLASH_CACHE | varchar(7) | NO | Not supported. The default value is NULL. |
| CELL_FLASH_CACHE | varchar(7) | NO | Not supported. The default value is NULL. |
| GLOBAL_STATS | varchar(3) | NO | Not supported. The default value is NULL. |
| USER_STATS | varchar(3) | NO | Not supported. The default value is NULL. |
| IS_NESTED | varchar(3) | NO | Not supported. The default value is NULL. |
| PARENT_TABLE_PARTITION | varchar(128) | NO | Not supported. The default value is NULL. |
| INTERVAL | varchar(3) | NO | Not supported. The default value is NO. |
| SEGMENT_CREATED | varchar(4) | NO | Not supported. The default value is NULL. |
| INDEXING | varchar(4) | NO | Not supported. The default value is NULL. |
| READ_ONLY | varchar(4) | NO | Not supported. The default value is NULL. |
| INMEMORY | varchar(8) | NO | Not supported. The default value is NULL. |
| INMEMORY_PRIORITY | varchar(8) | NO | Not supported. The default value is NULL. |
| INMEMORY_DISTRIBUTE | varchar(15) | NO | Not supported. The default value is NULL. |
| INMEMORY_COMPRESSION | varchar(17) | NO | Not supported. The default value is NULL. |
| INMEMORY_DUPLICATE | varchar(13) | NO | Not supported. The default value is NULL. |
| CELLMEMORY | varchar(24) | NO | Not supported. The default value is NULL. |
| INMEMORY_SERVICE | varchar(12) | NO | Not supported. The default value is NULL. |
| INMEMORY_SERVICE_NAME | varchar(100) | NO | Not supported. The default value is NULL. |
| MEMOPTIMIZE_READ | varchar(8) | NO | Not supported. The default value is NULL. |
| MEMOPTIMIZE_WRITE | varchar(8) | NO | Not supported. The default value is NULL. |