Check Primary Status

28 Sep 2019 41461 views 0 minutes to read Contributors

		
			
T-SQL
			
Transact-SQL
			

			
DECLARE @role_desc varchar(20)
IF( HAS_PERMS_BY_NAME ('sys.dm_hadr_availability_replica_states', 'OBJECT', 'execute') = 1)
BEGIN
-- if this is not an AG server then return 'PRIMARY'
IF NOT EXISTS( SELECT 1 FROM sys.DATABASES d INNER JOIN sys.dm_hadr_availability_replica_states hars ON d.replica_id = hars.replica_id)
SELECT @role_desc = 'PRIMARY'
ELSE
-- else return if there is AN PRIMARY availability group PRIMARY else 'SECONDARY
IF EXISTS( SELECT hars.role_desc FROM sys.DATABASES d INNER JOIN sys.dm_hadr_availability_replica_states hars ON d.replica_id = hars.replica_id WHERE hars.role_desc = 'PRIMARY' )
SELECT @role_desc = 'PRIMARY' 
ELSE
SELECT @role_desc = 'SECONDARY' 
END
ELSE
SELECT @role_desc = 'PRIMARY'

SELECT @role_desc
			

				

					

				

					
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DECLARE @role_desc varchar(20)
IF( HAS_PERMS_BY_NAME ('sys.dm_hadr_availability_replica_states', 'OBJECT', 'execute') = 1)
BEGIN
-- if this is not an AG server then return 'PRIMARY'
IF NOT EXISTS( SELECT 1 FROM sys.DATABASES d INNER JOIN sys.dm_hadr_availability_replica_states hars ON d.replica_id = hars.replica_id)
SELECT @role_desc = 'PRIMARY'
ELSE
-- else return if there is AN PRIMARY availability group PRIMARY else 'SECONDARY
IF EXISTS( SELECT hars.role_desc FROM sys.DATABASES d INNER JOIN sys.dm_hadr_availability_replica_states hars ON d.replica_id = hars.replica_id WHERE hars.role_desc = 'PRIMARY' )
SELECT @role_desc = 'PRIMARY' 
ELSE
SELECT @role_desc = 'SECONDARY' 
END
ELSE
SELECT @role_desc = 'PRIMARY'
 
SELECT @role_desc