Function makeBlobAppendBlob

src/jrd/SysFunction.cpp:1277–1307

bool makeBlobAppendBlob(dsc* result, const dsc* arg, bid* blob_id = nullptr)
{
	if (!arg)
		return false;

	ISC_QUAD* ptr = reinterpret_cast<ISC_QUAD*>(blob_id);

	if (arg->isBlob())
	{
		result->makeBlob(arg->getBlobSubType(), arg->getTextType(), ptr);
		return true;
	}

	if (arg->isNull())
		return false;

	if (arg->isText())
	{
		USHORT ttype = arg->getTextType();
		if (ttype == ttype_binary)
			result->makeBlob(isc_blob_untyped, ttype_binary, ptr);
		else
			result->makeBlob(isc_blob_text, ttype, ptr);
	}
	else
	{
		result->makeBlob(isc_blob_text, ttype_ascii, ptr);
	}

	return true;
}


void makeBlobAppend(DataTypeUtilBase* dataTypeUtil, const SysFunction* function, dsc* result,