Method getCount

src/jrd/recsrc/BufferedStream.cpp:378–392

}

FB_UINT64 BufferedStream::getCount(thread_db* tdbb) const
{
	Request* const request = tdbb->getRequest();
	Impure* const impure = request->getImpure<Impure>(m_impure);

	// If we haven't fetched and cached the underlying stream completely, do it now
	if (impure->irsb_flags & irsb_mustread)
	{
		while (this->getRecord(tdbb))
			; // no-op
		fb_assert(!(impure->irsb_flags & irsb_mustread));
	}

	return impure->irsb_buffer ? impure->irsb_buffer->getCount() : 0;
}