oceanbase.CDB_OB_TABLE_LOCATIONS

2024-06-28 05:30:30  Updated

Note

This view is introduced since OceanBase Database V4.0.0.

Purpose

The oceanbase.CDB_OB_TABLE_LOCATIONS view displays the locations of tables or partitions, including system tables, user tables, and index tables.

Columns

Column Type Nullable? Description
TENANT_ID bigint(20) NO The ID of the tenant.
DATABASE_NAME varchar(128) NO The name of the database.
TABLE_NAME varchar(256) NO The name of the table.
TABLE_ID bigint(20) NO The ID of the table.
TABLE_TYPE varchar(13) NO The type of the table.Valid values:
  • USER TABLE: a user table.
  • SYSTEM TABLE: a system table, which is an index table created by the system.
  • LOB AUX TABLE: a LOB auxiliary table, which is a table created by the system to implement LOB columns.
  • PARTITION_NAME varchar(64) NO The name of the partition. The default value is NULL for non-partitioned tables.
    SUBPARTITION_NAME varchar(64) NO The name of the subpartition. The value is NULL for non-subpartitioned tables.
    INDEX_NAME varchar(256) NO The name of the index table. For tables other than index tables, the value is NULL.
    DATA_TABLE_ID bigint(20) NO The ID of the primary table. If the table is not an index table or LOB table, the value is NULL.
    TABLET_ID bigint(20) NO The ID of the tablet.
    LS_ID bigint(20) NO The log stream where the object resides.
    ZONE varchar(128) NO The zone where the replica resides.
    SVR_IP varchar(46) NO The IP address of the server where the replica resides.
    SVR_PORT bigint(20) NO The port number of the server where the replica resides.
    ROLE varchar(8) NO The role of the replica. Valid values:
    REPLICA_TYPE varchar(18) NO The type of the log stream. Currently, only FULL is supported, which indicates full-featured replicas.

    Sample query

    obclient [oceanbase]> SELECT * FROM oceanbase.CDB_OB_TABLE_LOCATIONS WHERE TENANT_ID = 1004;
    

    The query result is as follows:

    +-----------+---------------+------------+----------+------------+----------------+-------------------+------------+---------------+-----------+-------+-------+----------------+----------+--------+--------------+-----------------+-----------+-----------------+---------------+----------+
    | TENANT_ID | DATABASE_NAME | TABLE_NAME | TABLE_ID | TABLE_TYPE | PARTITION_NAME | SUBPARTITION_NAME | INDEX_NAME | DATA_TABLE_ID | TABLET_ID | LS_ID | ZONE  | SVR_IP         | SVR_PORT | ROLE   | REPLICA_TYPE | DUPLICATE_SCOPE | OBJECT_ID | TABLEGROUP_NAME | TABLEGROUP_ID | SHARDING |
    +-----------+---------------+------------+----------+------------+----------------+-------------------+------------+---------------+-----------+-------+-------+----------------+----------+--------+--------------+-----------------+-----------+-----------------+---------------+----------+
    |      1004 | SYS           | T2_F_RL    |   500061 | USER TABLE | P0             | SP0               | NULL       |          NULL |    200043 |  1001 | zone1 | xx.xx.xx.xx    |     2882 | LEADER | FULL         | NONE            |    500064 | NULL            |          NULL | NULL     |
    |      1004 | SYS           | T2_F_RL    |   500061 | USER TABLE | P0             | SP1               | NULL       |          NULL |    200044 |  1002 | zone1 | xx.xx.xx.xx    |     2882 | LEADER | FULL         | NONE            |    500065 | NULL            |          NULL | NULL     |
    |      1004 | SYS           | T2_F_RL    |   500061 | USER TABLE | P1             | SP2               | NULL       |          NULL |    200045 |  1002 | zone1 | xx.xx.xx.xx    |     2882 | LEADER | FULL         | NONE            |    500066 | NULL            |          NULL | NULL     |
    |      1004 | SYS           | T2_F_RL    |   500061 | USER TABLE | P1             | SP3               | NULL       |          NULL |    200046 |  1001 | zone1 | xx.xx.xx.xx    |     2882 | LEADER | FULL         | NONE            |    500067 | NULL            |          NULL | NULL     |
    |      1004 | SYS           | T2_F_RL    |   500061 | USER TABLE | P1             | SP4               | NULL       |          NULL |    200047 |  1001 | zone1 | xx.xx.xx.xx    |     2882 | LEADER | FULL         | NONE            |    500068 | NULL            |          NULL | NULL     |
    +-----------+---------------+------------+----------+------------+----------------+-------------------+------------+---------------+-----------+-------+-------+----------------+----------+--------+--------------+-----------------+-----------+-----------------+---------------+----------+
    5 rows in set
    

    References

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