SQL死锁情况汇总排查

select dbname,entity_name,count(1) as locks from
(SELECT request_session_id AS spid,
       DB_NAME(resource_database_id) AS dbname,
       CASE WHEN resource_type='object'
                 THEN OBJECT_NAME(resource_associated_entity_id)
            WHEN resource_associated_entity_id=0 THEN 'n/a'
            ELSE OBJECT_NAME(p.object_id) END AS entity_name,
       index_id,
       resource_type AS RESOURCE,
       resource_description AS DESCRIPTION,
       request_mode AS mode,
       request_status AS STATUS
FROM sys.dm_tran_locks t LEFT JOIN sys.partitions p ON p.partition_id=t.resource_associated_entity_id
WHERE resource_database_id=DB_ID()) as a group by a.dbname,a.entity_name