USER_IND_SUBPARTITIONS

2024-03-05 01:54:26  Updated

Purpose

The USER_IND_SUBPARTITIONS view displays all index subpartitions owned by the current user in the database. This view does not have the INDEX_OWNER column compared with the DBA_IND_SUBPARTITIONS and ALL_IND_SUBPARTITIONS views.

Applicability

This topic applies only to OceanBase Database Enterprise Edition. OceanBase Database Community Edition provides only the MySQL mode.

  • DBA_IND_SUBPARTITIONS

  • ALL_IND_SUBPARTITIONS

Columns

Column Type Nullable? Description
INDEX_NAME VARCHAR2(128) NO The name of the index.
PARTITION_NAME VARCHAR2(128) NO The name of the partition.
SUBPARTITION_NAME VARCHAR2(128) NO The name of the subpartition.
HIGH_VALUE VARCHAR2(1024) NO The expression for the value bound with the subpartition.
HIGH_VALUE_LENGTH NUMBER NO The length of the expression for the value bound with the subpartition.
SUBPARTITION_POSITION NUMBER NO The position of a subpartition in a partition.
STATUS VARCHAR2(8) NO Indicates whether the index partition is usable.
TABLESPACE_NAME VARCHAR2(30) NO The name of the tablespace that contains the partition.
PCT_FREE NUMBER NO The minimum percentage of available space in a block. At present, this column is not supported and is NULL by default.
INI_TRANS NUMBER NO The initial number of transactions. At present, this column is not supported and is NULL by default.
MAX_TRANS NUMBER NO The maximum number of transactions. At present, this column is not supported and is NULL by default.
INITIAL_EXTENT NUMBER NO The size of the initial extent, in the unit of bytes. At present, this column is not supported and is NULL by default.
NEXT_EXTENT NUMBER NO The size of secondary extents, in the unit of bytes. At present, this column is not supported and is NULL by default.
MIN_EXTENT NUMBER NO The minimum number of extents allowed in the segment. At present, this column is not supported and is NULL by default.
MAX_EXTENT NUMBER NO The maximum number of extents allowed in the segment. At present, this column is not supported and is NULL by default.
MAX_SIZE NUMBER NO The maximum number of blocks allowed in the segment. At present, this column is not supported and is NULL by default.
PCT_INCREASE NUMBER NO The percentage increase in the extent size. At present, this column is not supported and is NULL by default.
FREELISTS NUMBER NO The number of process freelists that are allocated in the segment. At present, this column is not supported and is NULL by default.
FREELIST_GROUPS NUMBER NO The number of process freelist groups that are allocated in the segment. At present, this column is not supported and is NULL by default.
LOGGING VARCHAR2(7) NO Indicates whether logs are recorded for changes to the index. At present, this column is not supported and is NULL by default.
COMPRESSION VARCHAR2(8) NO Indicates whether compression is enabled for the partitioned index. Valid values:
  • ENABLE
  • DISABLE
  • BLEVEL NUMBER NO The B-tree level, that is, the depth of the index from its root block to its leaf blocks. A depth of 0 indicates that the root block and the leaf blocks are the same. At present, this column is not supported and is NULL by default.
    LEAF_BLOCKS NUMBER NO The number of leaf blocks in the index. At present, this column is not supported and is NULL by default.
    DISTINCT_KEYS NUMBER NO The number of distinct keys in the index partition. At present, this column is not supported and is NULL by default.
    AVG_LEAF_BLOCKS_PER_KEY NUMBER NO The average number of leaf blocks in which each distinct value in the index appears. The value is rounded to the nearest integer. The value is always 1 for indexes that enforce the UNIQUE and PRIMARY KEY constraints. At present, this column is not supported and is NULL by default.
    AVG_DATA_BLOCKS_PER_KEY NUMBER NO The average number of data blocks in the table that are pointed to by different values in the index that are rounded to the nearest integer. This statistical data is the average number of data blocks containing rows that have a specified value for the indexed columns. At present, this column is not supported and is NULL by default.
    CLUSTERING_FACTOR NUMBER NO The number of rows in the table based on the value of the index. At present, this column is not supported and is NULL by default.
    NUM_ROWS NUMBER NO The number of rows in the index subpartition. At present, this column is not supported and is NULL by default.
    SAMPLE_SIZE NUMBER NO The sample size used in analyzing this subpartition. At present, this column is not supported and is NULL by default.
    LAST_ANALYZED DATE NO The most recent date on which this partition was analyzed. At present, this column is not supported and is NULL by default.
    BUFFER_POOL VARCHAR2(7) NO The default buffer pool for the subpartition. At present, this column is not supported and is NULL by default.
    FLASH_CACHE VARCHAR2(7) NO The database smart flash cache hint for subpartition blocks. At present, this column is not supported and is NULL by default.
    CELL_FLASH_CACHE VARCHAR2(7) NO The cell flash cache hint for subpartition blocks. At present, this column is not supported and is NULL by default.
    USER_STATS VARCHAR2(3) NO Indicates whether the statistical information was directly entered by the user. At present, OceanBase Database does not support this column, and this column is NULL by default.
    PCT_DIRECT_ACCESS NUMBER NO If the index is a secondary index on an index-organized table, the value is the percentage of rows with valid guesses. At present, this column is not supported and is NULL by default.
    GLOBAL_STATS VARCHAR2(3) NO
  • If statistics are collected, the value of GLOBAL_STATS is YES.
  • If no, the value is NO.
    At present, this column is not supported and is NULL by default.
  • DOMIDX_OPSTATUS VARCHAR2(6) NO The status of the operation on a domain index. At present, this column is not supported and is NULL by default.
    PARAMETERS VARCHAR2(1000) NO The parameter string for a domain index. At present, this column is not supported and is NULL by default.
    INTERVAL VARCHAR2(3) NO Indicates whether the partition is in the interval section of an interval partitioned table or in the range section. The value is YES if the partition is in the interval section, and it is NO if the partition is in the range section. At present, this column is not supported and is NULL by default.
    SEGMENT_CREATED VARCHAR2(3) NO Indicates whether the index subpartition segment has been created. The value N/A indicates that the index is not subpartitioned. At present, this column is not supported and is NULL by default.

    Contact Us