Re: Migration from 5.01 to 7.2

In article <5opaku$gl4@cssun.mathcs.emory.edu>, MS CARLEEN C AVANT <cavant@safecen.navy.mil> writes >Internet < cavant@safecen.navy.mil > >COM (757)444-3520 DSN 564-3520 > ext 7050 > >I am a federal employee for the Naval Safety Center in Norfolk, Virginia. >We currently are running Informix 5.01.UD1 on a Bull DPX380 using BOS 68k >2.x operating system which is simply a sys V rel 4. We are migrating to a >Sun E3000 and E4000 utilizing Informix 7.2 engine and 6.x tools. >We would welcome any input regarding experiences, knowledge, etc. regarding >this migration effort. >One particular "burning" question we have is will our current applications >utilizing 4.x tools migrate "transparently" to 7.2 engine utilizing 6.x >tools? We have been lead to believe they will. >Thanks in advance. Should do assuming they have been written well i.e. 1. All functions calls pass the correct number of parameters and except the correct number of parameters to be returned. 2. Never try to close a cursor twice as 4.x tools ignore the error but 6.x tools report the error. These are the main porting issues...version 6.x report more errors than version 4.x tools. Informix have tightened up of what undocumented behaviour you can "get away with". -- David Williams