sp_assemblies_rowset (Transact-SQL MetaData) Definition

Please note: that the following source code is provided and copyrighted by Microsoft and is for educational purpose only.
The meta data is from an SQL 2012 Server.

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Definition:

sys.sp_assemblies_rowset(nvarchar @assembly_name
, nvarchar @assembly_schema
, int @assembly_id)

MetaData:

   
create procedure sys.sp_assemblies_rowset  
(  
    @assembly_name      sysname,  
    @assembly_schema    sysname = null,  
    @assembly_id        int = null  
)  
as  
    select  
        ASSEMBLY_CATALOG    = db_name(),  
        ASSEMBLY_SCHEMA     = user_name(a.principal_id),  
        ASSEMBLY_NAME       = a.name,  
        ASSEMBLY_ID         = convert(int,a.assembly_id),  
        PERMISSION_SET      = convert(NVARCHAR(30),  
                                    case a.permission_set  
                                    when 1 then 'SAFE'  
                                    when 2 then 'EXTERNAL_ACCESS'  
                                    when 3 then 'UNSAFE'  
                                    end),  
        ASSEMBLY_BINARY     = af.content  
    from  
        sys.assemblies a inner join  
        sys.assembly_files af on  
            (  
                af.assembly_id = a.assembly_id  
            )  
    where  
        a.name = @assembly_name and  
        (@assembly_schema is null or @assembly_schema = user_name(a.principal_id)) and  
        (@assembly_id is null or @assembly_id = a.assembly_id)  
    order by 1, 2, 3