Method next

src/jrd/SysFunction.cpp:3134–3162

	}

	void next()
	{
		if (hasData())
		{
			impure->vlu_desc.clear();

			if (!blobMode)
			{
				dsc result;
				result.makeText(outBuf.getCount(), ttype_binary, outBuf.begin());
				EVL_make_value(tdbb, &result, impure);

				len = 0;
				completed = true;
			}
			else
			{
				newBlob->BLB_put_data(tdbb, outBuf.begin(), outBuf.getCount());

				len = blob->BLB_get_data(tdbb, inBuf.begin(), inBuf.getCount(), false);
				if (!len)
				{
					closeBlobs();
					EVL_make_value(tdbb, &blobDesc, impure);
					completed = true;
				}
			}
		}
	}

private:
	const FB_SIZE_T BLOB_STEP = 1024;