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CTBase::SetOperation
Syntax
void CTBase::SetOperation(CTOPS_MODE mode, CTOPS_STATE state);
Description
SetOperation() sets c-tree operation modes for special performance-related functionality and test operational states for critical events.
mode use a combination of the following values:
Operations Mode |
Description |
OPS_READLOCK |
Enable automatic, low level, blocking read locks on each record access that does not already have a lock. |
OPS_LOCKON_GET |
Lock next fetch only. |
OPS_UNLOCK_ADD |
Automatic unlock on add. |
OPS_UNLOCK_RWT |
Automatic unlock on rewrite. |
OPS_UNLOCK_UPD |
(OPS_UNLOCK_ADD | OPS_UNLOCK_RWT) |
OPS_LOCKON_BLK |
Blocking lock on next fetch only. |
OPS_LOCKON_ADD_BLK |
Enable blocking write lock mode during record add call then restore original lock mode. |
OPS_FUNCTION_MON |
Toggle function monitor. (Server) |
OPS_LOCK_MON |
Toggle lock monitor. (Server) |
OPS_TRACK_MON |
Toggle memory track monitor. (Server) |
OPS_MIRROR_NOSWITCH |
Don’t continue if mirror or primary fails. (Server) |
OPS_MIRROR_TRM |
A primary or mirror has been shutdown. |
OPS_MEMORY_SWP |
Memory swapping active. |
OPS_AUTOISAM_TRN |
Automatic ISAM transactions. |
OPS_KEEPLOK_TRN |
Keep locks involved in automatic transactions on record adds and updates after commit. |
OPS_SERIAL_UPD |
Changes GetSerialNbr() operation. |
OPS_DEFER_CLOSE |
Defer file closes or deletes during transactions. |
OPS_CONV_STRING |
Change all CT_STRING fields having a non-zero field length in the fixed length portion of the record buffer to CT_FSTRING fields. (Client) |
OPS_DISK_IO |
Set sysiocod on disk reads and writes. |
state must be set with one of the following state values:
Operation State |
Description |
OPS_STATE_OFF |
Turn a status bit off. |
OPS_STATE_SET |
Set the entire status word. |
OPS_STATE_ON |
Turn a status bit on. |
OPS_STATE_RET |
Return the entire status word. |
Return Values
Value |
Symbolic Constant |
Explanation |
|---|---|---|
0 |
NO_ERROR |
No error occurred. |
See Also
CTBase::GetOperation()
