global_xacttable.view

derby database source code.good for you.

create view global_xactTable as
select 
    cast(global_xid as char(2)) as gxid,
    status,
    case when first_instant is NULL then 'NULL' else 'false' end as readOnly,
    cast (username as char(10)) as username,
    type 
from new org.apache.derby.diag.TransactionTable() t;