/* Generic getter for all NdbRecordObjects
*/
Handle<Value> nroGetter(Local<String>, const AccessorInfo & info)
{
NdbRecordObject * nro =
static_cast<NdbRecordObject *>(info.Holder()->GetPointerFromInternalField(1));
int nField = info.Data()->Int32Value();
return nro->getField(nField);
}
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();
}
/* Generic setter for all NdbRecordObjects
*/
void nroSetter(Local<String>, Local<Value> value, const AccessorInfo& info)
{
NdbRecordObject * nro =
static_cast<NdbRecordObject *>(info.Holder()->GetPointerFromInternalField(1));
int nField = info.Data()->Int32Value();
nro->setField(nField, value);
}
Handle<Value> getValueObjectWriteCount(const Arguments &args) {
HandleScope scope;
Local<Object> obj = args[0]->ToObject();
NdbRecordObject * nro =
static_cast<NdbRecordObject *>(obj->GetPointerFromInternalField(1));
return scope.Close(Number::New(nro->getWriteCount()));
}
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();
}
Handle<Value> DBOperationHelper_VO(const Arguments &args) {
HandleScope scope;
Local<Value> v;
Local<Object> o;
Local<Object> valueObj;
Handle<Value> returnVal;
Operation op;
const Local<Object> spec = args[0]->ToObject();
int opcode = args[1]->Int32Value();
NdbTransaction *tx = unwrapPointer<NdbTransaction *>(args[2]->ToObject());
/* NdbOperation.prepare() just verified that this is really a VO */
v = spec->Get(HELPER_VALUE_OBJECT);
valueObj = v->ToObject();
NdbRecordObject * nro = unwrapPointer<NdbRecordObject *>(valueObj);
/* The VO may have values that are not yet encoded to its buffer. */
returnVal = nro->prepare(); // do something with this?
/* 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(opcode == 2 || opcode == 8)
op.setRowMask(0xFFFFFFFF);
else
op.setRowMask(nro->getMaskValue());
DEBUG_PRINT(" VO opcode: %d mask: %u", opcode, op.u.maskvalue);
returnVal = buildNdbOperation(op, opcode, tx);
nro->resetMask();
return scope.Close(returnVal);
}
Handle<Value> prepareForUpdate(const Arguments &args) {
HandleScope scope;
NdbRecordObject * nro = unwrapPointer<NdbRecordObject *>(args[0]->ToObject());
return scope.Close(nro->prepare());
}
Handle<Value> getValueObjectWriteCount(const Arguments &args) {
HandleScope scope;
NdbRecordObject * nro = unwrapPointer<NdbRecordObject *>(args[0]->ToObject());
return scope.Close(Number::New(nro->getWriteCount()));
}
