--- title: "sys.dm_pdw_lock_waits (Transact-SQL) | Microsoft Docs" ms.custom: "" ms.date: "03/07/2017" ms.prod: sql ms.technology: data-warehouse ms.reviewer: "" ms.topic: "language-reference" dev_langs: - "TSQL" ms.assetid: 8ef966f8-d14e-40d3-9626-3508ada9b8fb author: ronortloff ms.author: rortloff monikerRange: ">= aps-pdw-2016 || = azure-sqldw-latest || = sqlallproducts-allversions" --- # sys.dm_pdw_lock_waits (Transact-SQL) [!INCLUDE[tsql-appliesto-xxxxxx-xxxx-asdw-pdw-md](../../includes/tsql-appliesto-xxxxxx-xxxx-asdw-pdw-md.md)] Holds information about the requests that are waiting for locks. |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)](../../relational-databases/system-dynamic-management-views/sys-dm-pdw-exec-sessions-transact-sql.md).| |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.|[!INCLUDE[ssInfoNA](../../includes/ssinfona-md.md)]| |priority|**int**|Priority of the waiting item.|[!INCLUDE[ssInfoNA](../../includes/ssinfona-md.md)]| ## See Also [SQL Data Warehouse and Parallel Data Warehouse Dynamic Management Views (Transact-SQL)](../../relational-databases/system-dynamic-management-views/sql-and-parallel-data-warehouse-dynamic-management-views.md)