c-treeDB API API for C

ctdbSetTransactionMode

OR-ed in to form the transaction mode used when a c-tree transaction is started.

Declaration

CTDBRET ctdbDECL ctdbSetTransactionMode(CTHANDLE Handle, CTBEGIN_MODE mode);

Description

Handle is a session handle.

mode is a combination of possible mode 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

Value	Symbolic Constant	Explanation
0	CTDBRET_OK	Successful operation.