void MaterializedArray::materialize(const shared_ptr<Query>& query,
MemChunk& materializedChunk,
ConstChunk const& chunk,
MaterializeFormat format)
{
nMaterializedChunks += 1;
materializedChunk.initialize(chunk);
materializedChunk.setBitmapChunk((Chunk*)chunk.getBitmapChunk());
boost::shared_ptr<ConstChunkIterator> src
= chunk.getConstIterator(ChunkIterator::IGNORE_DEFAULT_VALUES|ChunkIterator::IGNORE_EMPTY_CELLS|
(chunk.isSolid() ? ChunkIterator::INTENDED_TILE_MODE : 0));
boost::shared_ptr<ChunkIterator> dst
= materializedChunk.getIterator(query,
(src->getMode() & ChunkIterator::TILE_MODE)|ChunkIterator::ChunkIterator::NO_EMPTY_CHECK|ChunkIterator::SEQUENTIAL_WRITE);
size_t count = 0;
while (!src->end()) {
if (!dst->setPosition(src->getPosition()))
throw SYSTEM_EXCEPTION(SCIDB_SE_MERGE, SCIDB_LE_OPERATION_FAILED) << "setPosition";
dst->writeItem(src->getItem());
count += 1;
++(*src);
}
if (!(src->getMode() & ChunkIterator::TILE_MODE) &&
!chunk.getArrayDesc().hasOverlap()) {
materializedChunk.setCount(count);
}
dst->flush();
}
ConstChunk const& getChunk(AttributeID attr, size_t rowIndex)
{
_chunkAddress.coords[1] = _rowIndex -1;
shared_ptr<Query> query = Query::getValidQueryPtr(_query);
_chunk.initialize(this, &super::getArrayDesc(), _chunkAddress, 0);
shared_ptr<ChunkIterator> chunkIt = _chunk.getIterator(query, ChunkIterator::SEQUENTIAL_WRITE | ChunkIterator::NO_EMPTY_CHECK);
Value v;
if(_buffer[_bufferSize-1] == _delimiter) //add the null-termination character; replace the last delimiter character if one is present
{
v.setSize(_bufferSize);
char *d = (char*) v.data();
memcpy(d, _buffer, _bufferSize);
d[_bufferSize-1] = 0;
}
else
{
v.setSize(_bufferSize+1);
char *d = (char*) v.data();
memcpy(d, _buffer, _bufferSize);
d[_bufferSize] = 0;
}
chunkIt->writeItem(v);
chunkIt->flush();
return _chunk;
}
