void DBOperationHelper_VO(Handle<Object> spec, KeyOperation & op) {
HandleScope scope;
Local<Value> v;
Local<Object> o;
Local<Object> valueObj;
v = spec->Get(HELPER_VALUE_OBJECT);
valueObj = v->ToObject();
NdbRecordObject * nro = unwrapPointer<NdbRecordObject *>(valueObj);
/* Set the key record and key buffer from the helper spec */
setKeysInOp(spec, op);
/* Set the row record, row buffer, and mask from the VO */
op.row_record = nro->getRecord();
op.row_buffer = nro->getBuffer();
/* "write" and "persist" must write all columns.
Other operations only require the columns that have changed since read.
*/
if(op.opcode == 2 || op.opcode == 8)
op.setRowMask(0xFFFFFFFF);
else
op.setRowMask(nro->getMaskValue());
DEBUG_PRINT(" VO opcode: %d mask: %u", op.opcode, op.u.maskvalue);
nro->resetMask();
}
void DBOperationHelper_VO(Handle<Object> spec, KeyOperation & op) {
DEBUG_MARKER(UDEB_DETAIL);
Local<Value> v;
Local<Object> o;
Local<Object> valueObj;
v = spec->Get(HELPER_VALUE_OBJECT);
valueObj = v->ToObject();
NdbRecordObject * nro = unwrapPointer<NdbRecordObject *>(valueObj);
/* Set the key record and key buffer from the helper spec */
setKeysInOp(spec, op);
/* Set the row record, row buffer, and mask from the VO */
op.row_record = nro->getRecord();
op.row_buffer = nro->getBuffer();
/* A persist operation must write all columns.
A save operation must write all columns only if the PK has changed.
Other operations only write columns that have changed since being read.
*/
if(op.opcode == 2)
op.setRowMask(op.row_record->getAllColumnMask());
else if(op.opcode == 8 && (nro->getMaskValue() & op.row_record->getPkColumnMask()))
op.setRowMask(op.row_record->getAllColumnMask());
else
op.setRowMask(nro->getMaskValue());
op.nblobs = nro->createBlobWriteHandles(op);
DEBUG_PRINT(" VO %s -- mask: %u lobs: %d", op.getOperationName(),
op.u.maskvalue, op.nblobs);
nro->resetMask();
}