Method create2

src/jrd/blb.cpp:260–417

blb* blb::create2(thread_db* tdbb,
				jrd_tra* transaction, bid* blob_id,
				USHORT bpb_length, const UCHAR* bpb,
				bool userBlob)
{
/**************************************
 *
 *      b l b : : c r e a t e 2
 *
 **************************************
 *
 * Functional description
 *      Create a shiney, new, empty blob.
 *      Basically blb::create() with BPB structure.
 *
 **************************************/
	transaction = transaction->getOuter();

	SET_TDBB(tdbb);
	Database* dbb = tdbb->getDatabase();
	CHECK_DBB(dbb);

	const int maxTempBlobs = MAX_TEMP_BLOBS;
	if (maxTempBlobs > 0 && transaction->tra_temp_blobs_count >= maxTempBlobs)
	{
		const Request* request = tdbb->getRequest();
		string info;

		if (userBlob)
		{
			Attachment* att = tdbb->getAttachment();
			info = "By user application";
			if (att->att_remote_process.hasData())
			{
				info += string(" (") + att->att_remote_process.c_str() + ")";
			}
		}
		else if (request)
		{
			const Statement* const statement = request->getStatement();
			if (statement && statement->sqlText)
				info = string("By query: ") + *statement->sqlText;

			string stack;
			if (EXE_get_stack_trace(request, stack))
			{
				info += "\n";
				info += stack;
			}
		}

		gds__log("Too many temporary blobs (%i allowed)\n%s", maxTempBlobs, info.c_str());

		ERR_post(Arg::Gds(isc_random) << Arg::Str("Too many temporary blobs"));
	}

	// Create a blob large enough to hold a single data page
	SSHORT from, to;