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