/*
* Executes the migration of the indexes format that were saved before 0.3
**/
void DBController::migrateIndex0_3(const char* db, const char* ns, InputStream* stream, IndexAlgorithm* impl) {
long currentPos = stream->currentPos();
stream->seek(0);
int records = 0;
BSONInputStream* bis = new BSONInputStream(stream);
while (!stream->eof()) {
BSONObj* obj = bis->readBSON();
if (!impl) {
std::set<std::string> skeys;
for (BSONObj::const_iterator i = obj->begin(); i != obj->end(); i++) {
std::string key = i->first;
skeys.insert(key);
}
}
long indexPos = stream->readLong();
long posData = stream->readLong();
if (obj->has("_id")) {
insertIndex(db, ns, obj, posData);
records++;
}
delete obj;
}
stream->close();
if (_logger->isInfo()) _logger->info("db: %s, ns: %s, Index migrated to version 0.3. Records: %d", db, ns, records);
delete bis;
}
void BSONOutputStream::writeBSON(const BSONObj& bson) {
Logger* log = getLogger(NULL);
if (log->isDebug()) log->debug("BSONOutputStream::writeBSON bson elements: %d", bson.length());
_outputStream->writeLong(bson.length());
for (std::map<t_keytype, BSONContent* >::const_iterator i = bson.begin(); i != bson.end(); i++) {
t_keytype key = i->first;
if (log->isDebug()) log->debug("BSONOutputStream::writeBSON name: %s", key.c_str());
_outputStream->writeString(key);
BSONContent* cont = i->second;
// If the type is PTRCHAR_TYPE change it to string_type, to remove this type in future
_outputStream->writeLong(cont->type() != PTRCHAR_TYPE? cont->type(): STRING_TYPE);
char* text;
BSONObj* inner;
switch (cont->type()) {
case BSON_TYPE:
inner = (BSONObj*)cont->_element;
writeBSON(*inner);
break;
case INT_TYPE:
_outputStream->writeInt(*((int*)cont->_element));
break;
case LONG_TYPE:
_outputStream->writeLong(*((long*)cont->_element));
break;
case DOUBLE_TYPE:
_outputStream->writeDoubleIEEE(*((double*)cont->_element));
break;
case PTRCHAR_TYPE:
text = (char*)cont->_element;
_outputStream->writeString(std::string(text));
break;
case STRING_TYPE:
{
string* str = (string*)cont->_element;
_outputStream->writeString(*str);
break;
}
case BSONARRAY_TYPE:
{
BSONArrayObj* array = (BSONArrayObj*)cont->_element;
writeBSONArray(array);
break;
}
}
}
delete log;
}