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sys.fn_hadr_distributed_ag_replica (Transact-SQL)

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Applies to: SQL Server 2016 (13.x) and later versions

Used to map a replica in a distributed availability group to the local availability group.

Transact-SQL syntax conventions

Syntax

  
sys.fn_hadr_distributed_ag_replica( lag_Id, replica_id )

Arguments

'lag_Id'
Is the identifier of the distributed availability group. lag_Id is type uniqueidentifier.

'replica_id'
Is the identifier of a replica in the distributed availability group. replica_id is type uniqueidentifier.

Tables Returned

Returns the following information.

Column name Data type Description
group_id uniqueidentifier Unique identifier (GUID) of the local availability group.

Examples

Using sys.fn_hadr_distributed_ag_replica

The following example returns a table with the local availability group identifier that is associated with the specified distributed availability group and replica.

DECLARE @lagId uniqueidentifier = '4A03D1A8-4AE6-B153-E7E9-ED22A546008D'  
DECLARE @replicaId uniqueidentifier = 'D5517513-04A8-FD82-14C6-E684EC913935'  
  
SELECT * FROM sys.fn_hadr_distributed_ag_replica(@lagId, @replicaId)  
GO

See Also

Always On Availability Groups Functions (Transact-SQL)
Always On Availability Groups (SQL Server)
Distributed Availability Groups (Always On Availability Groups)
CREATE AVAILABILITY GROUP (Transact-SQL)
ALTER AVAILABILITY GROUP (Transact-SQL)