This figure shows a series of transaction log records and depicts returned records from a series of four ttXlaNextUpdate
calls. The transaction log records shown are AT1
, BT1
, BT2
, AT2
, AT3
, AT4
, BT3
AT5
, AT6
, AT7
, CT1
, DT1
, CT2
, CT3
, CT4
, CT5
, DT2
, CT6
, CT7
, CT8
, CT9
, CT10
, CT11
, ET1
, AND ET2
; maxrecords
is shown to equal 10.
The first ttXlaNextUpdate
call returns 10 records (nreturned=10
): BT1
, BT2
, BT3
, AT1
, AT2
, AT3
, AT4
, AT5
, AT6
, and AT7
. The Initial Read log record identifier points to AT1
(the oldest record shown) in the transaction log. The Current Read log record identifier points to AT7
in the transaction log.
The second ttXlaNextUpdate
call returns two records (nreturned=2
): DT1
and DT2
. The Current Read log record identifier points to DT2
in the transaction log.
The third ttXlaNextUpdate
call returns 10 records (nreturned=10
): CT1
, CT2
, CT3
, CT4
, CT5
, CT6
, CT7
, CT8
, CT9
, and CT10
. The Current Read log record identifier points to CT10
in the transaction log.
The fourth ttXlaNextUpdate
call returns three records (nreturned=3
): CT11
, ET1
, and ET2
. The Current Read log record identifier points to ET2
in the transaction log.
End of description.