sys.dm_pdw_lock_waits (Transact-SQL)

Applies to: Azure Synapse Analytics Analytics Platform System (PDW)

Holds information about the requests that are waiting for locks.

Note

This syntax is not supported by serverless SQL pool in Azure Synapse Analytics.

Column Name	Data Type	Description	Range
wait_id	bigint	Position of the request in the waiting list.	0-based ordinal. This is not unique across all wait entries.
session_id	nvarchar(32)	ID of the session in which the wait state occurred.	See session_id in sys.dm_pdw_exec_sessions (Transact-SQL).
type	nvarchar(255)	Type of wait this entry represents.	Possible values: Shared SharedUpdate ExclusiveUpdate Exclusive
object_type	nvarchar(255)	Type of object that is affected by the wait.	Possible values: OBJECT DATABASE SYSTEM SCHEMA APPLICATION
object_name	nvarchar(386)	Name or GUID of the specified object that was affected by the wait.	Tables and views are displayed with three-part names. Indexes and statistics are displayed with four-part names. Names, principals, and databases are string names.
request_id	nvarchar(32)	ID of the request on which the wait state occurred.	ID of the request. This is a GUID for load requests.
request_time	datetime	Time at which the lock or resource was requested.
acquire_time	datetime	Time at which the lock or resource was acquired.
state	nvarchar(50)	State of the wait state.	Information not available.
priority	int	Priority of the waiting item.	Information not available.

See Also

Azure Synapse Analytics and Parallel Data Warehouse Dynamic Management Views (Transact-SQL)