c-treeDB API for C# - Developers Guide

CTBase.SetTransactionMode

Declaration

void CTBase.SetTransactionMode(CTBEGIN_MODE mode)

Description

FairCom DB offers a rich array of data integrity options. Full transaction processing offers the safest and best performance of all the available options. There are times when other FairCom DB options, such as PREIMG, might be advantageous.

Sets the transaction mode used when starting a transaction.

mode is one of the following values:

CTBEGIN_MODE Symbolic Constant	Description
CTBEGIN_NONE	No begin transaction mode set. Default mode apply.
CTBEGIN_PREIMG	Transaction atomicity only. Auto-recovery is not available. Mutually exclusive with CTBEGIN_TRNLOG.
CTBEGIN_TRNLOG	Full transaction processing functionality including auto-recovery. Mutually exclusive to CTBEGIN_PREIMG. This is the default begin transaction mode.
CTBEGIN_DEFER	Defer begin transaction until update.
CTBEGIN_AUTOSAVE	Automatically invokes savepoints after each successful record or resource update.

This mode will be OR-ed in to form the transaction mode used when a c-tree transaction is started. If the transaction mode is CTBEGIN_NONE, the ctTRNLOG mode is used to start a new transaction.

Return Values

None.