void OciReader::readBlob(Statement stmt, BlockPtr block)
{
uint32_t amountRead = 0;
uint32_t blobLength = stmt->GetBlobLength(block->locator);
if (block->chunk.size() < blobLength)
block->chunk.resize(blobLength);
if (!stmt->ReadBlob(block->locator, (void*)(block->chunk.data()),
block->chunk.size() , &amountRead))
throw pdal_error("Did not read all blob data!");
block->chunk.resize(amountRead);
}
void IteratorBase::readBlob(Statement statement,
BlockPtr block,
boost::uint32_t howMany)
{
boost::uint32_t nAmountRead = 0;
boost::uint32_t nBlobLength = statement->GetBlobLength(block->locator);
if (block->chunk.size() < nBlobLength)
{
block->chunk.resize(nBlobLength);
}
getReader().log()->get(logDEBUG4) << "IteratorBase::readBlob expected point count: " << howMany << std::endl;
getReader().log()->get(logDEBUG4) << "IteratorBase::readBlob expected nBlobLength: " << nBlobLength << std::endl;
// statement->OpenBlob(block->locator);
bool read_all_data = statement->ReadBlob(block->locator,
(void*)(&(block->chunk)[0]),
block->chunk.size() ,
&nAmountRead);
// statement->CloseBlob(block->locator);
getReader().log()->get(logDEBUG4) << "IteratorBase::readBlob read nAmountRead: " << nAmountRead << std::endl;
if (!read_all_data) throw pdal_error("Did not read all blob data!");
getReader().log()->get(logDEBUG4) << "IteratorBase::readBlob actual nAmountRead: " << nAmountRead << std::endl;
if (nBlobLength > m_oracle_buffer->getBufferByteLength())
{
// resize and check again. If the schema doesn't match
// what the blob actually had, this won't divide correctly and
// we're screwed.
boost::uint32_t capacity = nBlobLength/m_oracle_buffer->getSchema().getByteSize();
assert(nBlobLength % m_oracle_buffer->getSchema().getByteSize() == 0);
m_oracle_buffer->resize(capacity, true);
}
if (m_oracle_buffer->getSchema().getOrientation() == schema::DIMENSION_INTERLEAVED)
{
boost::uint32_t capacity = nBlobLength/m_oracle_buffer->getSchema().getByteSize();
assert(nBlobLength % m_oracle_buffer->getSchema().getByteSize() == 0);
m_oracle_buffer->resize(capacity, true);
}
m_oracle_buffer->setDataStride(&(block->chunk)[0], 0, nAmountRead);
m_oracle_buffer->setNumPoints(m_block->num_points);
}
