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enqueue
[@more@]enqueue
The wait event is related to transaction locking.
1. Discover the requested lock type and mode by deciphering the P1 value supplied by the CURRENT_EVENT cursor.
2. Determine the name of the object the enqueue is for using the ROW_WAIT_OBJ# supplied by the CURRENT_EVENT cursor:
3. Identify the blocking session and the information about the lock that is being held, such as the lock type and lock mode and time held using the P2 and P3 values supplied by the CURRENT_EVENT cursor:
4. Obtain the SQL statement that is associated with the event using the hash value supplied by the CURRENT_EVENT cursor:
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