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SQL - V4.2.1

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    V$OB_LOCKS

    Last Updated:2026-04-28 09:23:27  Updated
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    Purpose

    The V$OB_LOCKS view displays the current user's status for holding or requesting locks on various tables.

    Note

    This view is introduced since OceanBase Database V4.2.0.

    Columns

    Column
    Type
    Nullable?
    Description
    SVR_IP varchar(46) NO The IP address of the OBServer node that holds or requests the lock.
    SVR_PORT bigint(20) NO The port number of the OBServer node that holds or requests the lock.
    TENANT_ID bigint(20) NO The ID of the tenant that holds or requests the lock.
    TRANS_ID bigint(20) NO The ID of the transaction that holds or requests the lock.
    TYPE varchar(9) NO The type of the lock. Valid values:
    • TM: indicates a table lock.
    • TX: indicates a transaction lock.
    • TR: indicates a row lock.
    ID1 bigint(20) NO Lock identifier 1.
    • For a table lock, the value can be a table ID or tablet ID.
    • For a transaction lock, the value is a transaction ID.
    • For a row lock, the value is a tablet ID.
    ID2 varchar(533) NO Lock identifier 2.
    • For a table lock, the value is NULL.
    • For a transaction lock, the value is NULL.
    • For a row lock, the value is in the format of + .
    LMODE varchar(8) NO The lock holding mode. Valid values:
    • NONE: No lock is held.
    • SS: ROW SHARE
    • SX: ROW EXCLUSIVE
    • S: SHARE
    • SSX: SHARE ROW EXCLUSIVE
    • X: EXCLUSIVE
    REQUEST varchar(8) NO The lock requesting mode. Valid values:
    • NONE: No lock is requested.
    • SS: ROW SHARE
    • SX: ROW EXCLUSIVE
    • S: SHARE
    • SSX: SHARE ROW EXCLUSIVE
    • X: EXCLUSIVE
    CTIME bigint(20) NO The time to hold or wait for a lock, in seconds.
    BLOCK bigint(1) NO Indicates whether the lock blocks other processes. Valid values:
    • 0: The lock does not block any process.
    • 1: The lock is blocking other processes.

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