kernel32.dllmingw10.dllmsvctrl.dllQtCore4.dll
extern "C" __declspec(dllexport) char* uid(){ char *p; p = QUuid::createUuid().toString().toAscii().data(); return p;}
DECLARE EXTERNAL FUNCTION UDF RETURNS CSTRING(254) ENTRY_POINT 'uid' MODULE_NAME 'crqphudf'
select UDF() from Object