int Appender::resetMask()
{
emptyMask();
addMask(COMLOG_FATAL);
addMask(COMLOG_WARNING);
addMask(COMLOG_NOTICE);
addMask(COMLOG_TRACE);
addMask(COMLOG_DEBUG);
return 0;
}
ConstRLEChunk const& ScanRLEArrayIterator::getRQChunk()
{
Address addr(_desc->getId(), _attId, getPosition());
ifstream in;
chunkId chunkDesc;
chunkFileInfo payloadFileInfo;
chunkDesc.first = _attId;
chunkDesc.second = _chunkNo;
payloadFileInfo = _chunkFileData[chunkDesc];
size_t payloadOffset = payloadFileInfo.first;
size_t payloadSize = payloadFileInfo.second;
vector<char> data (payloadSize, 0);
_chunkFile.seekg(payloadOffset, ios_base::beg);
_chunkFile.read(&data[0], payloadSize);
TypeId type = _desc->getAttributes()[_attId].getType();
uint16_t compressionMethod = _desc->getAttributes()[_attId].getDefaultCompressionMethod();
_chunk.initialize(_desc, addr, compressionMethod);
if (_desc->getEmptyBitmapAttribute() && _attId == _desc->getEmptyBitmapAttribute()->getId())
{
//bitmask chunk
ConstRLEEmptyBitmap emptyMask(&data[0]);
//inefficient double copy
shared_ptr<RLEEmptyBitmap> em(new RLEEmptyBitmap(emptyMask));
_chunk.setMask(em);
}
else
{
//data chunk
//another inefficient double copy
ConstRLEPayload payload(&data[0]);
_chunk.setPayload(payload);
//now we still need to find bitmask and attach it to chunk
if (_desc->getEmptyBitmapAttribute())
{
ifstream bmin;
ostringstream bmPath;
chunkId bmId;
chunkFileInfo bmFile;
bmId.first = _desc->getEmptyBitmapAttribute()->getId();
bmId.second = _chunkNo;
bmFile = _chunkFileData[bmId];
size_t bitmaskSize = bmFile.second;
size_t fileOffset = bmFile.first;
vector<char> bmData(bitmaskSize,0);
_chunkFile.seekg(fileOffset, ios_base::beg);
_chunkFile.read(&bmData[0], bitmaskSize);
//another inefficient double copy
ConstRLEEmptyBitmap emptyMask(&bmData[0]);
shared_ptr<RLEEmptyBitmap> em(new RLEEmptyBitmap(emptyMask));
_chunk.setMask(em);
}
else //no bitmask? create one that looks like "111111111111111"
{
size_t nBits = _chunk.getNumberOfElements(true);
shared_ptr<RLEEmptyBitmap> em(new RLEEmptyBitmap(nBits));
_chunk.setMask(em);
}
}
return _chunk;
}
