20.28.5 The INFORMATION_SCHEMA INNODB_LOCK_WAITS Table

The INNODB_LOCK_WAITS table contains one or more rows for each blocked InnoDB transaction, indicating the lock it has requested and any locks that are blocking that request.

Table 20.5 INNODB_LOCK_WAITS Columns

Column nameDescription
REQUESTING_TRX_IDID of the requesting transaction.
REQUESTED_LOCK_IDID of the lock for which a transaction is waiting. Details about the lock can be found by joining with INNODB_LOCKS on LOCK_ID.
BLOCKING_TRX_IDID of the blocking transaction.
BLOCKING_LOCK_IDID of a lock held by a transaction blocking another transaction from proceeding. Details about the lock can be found by joining with INNODB_LOCKS on LOCK_ID.

Notes: