Re: [U2] UUID [was Data in Dict]

2011-01-28 Thread David Wolverton
to make it 'left-most significant' - something we can't do in UniData.) -Original Message- From: u2-users-boun...@listserver.u2ug.org [mailto:u2-users-boun...@listserver.u2ug.org] On Behalf Of Gregor Scott Sent: January 27, 2011 05:25 PM To: U2 Users List Subject: Re: [U2] UUID [was Data in Dict

Re: [U2] UUID [was Data in Dict]

2011-01-28 Thread Steve Romanow
-users-boun...@listserver.u2ug.org] On Behalf Of Gregor Scott Sent: January 27, 2011 05:25 PM To: U2 Users List Subject: Re: [U2] UUID [was Data in Dict] The use of both the @USER.NO and the current PID ensure the UUID is unique across the installation, and the presence of the UV system id makes

Re: [U2] UUID [was Data in Dict]

2011-01-27 Thread u2ug
Of Gregor Scott Sent: January 26, 2011 07:35 PM To: U2 Users List Subject: Re: [U2] UUID [was Data in Dict] Interesting trade-off between the overhead of calculating a unique-yet compact sequential number and calculating a consistently long UUID. We use the last-number-stored-in-a-file method. We

Re: [U2] UUID [was Data in Dict]

2011-01-27 Thread Gregor Scott
. -Original Message- From: u2-users-boun...@listserver.u2ug.org [mailto:u2-users-boun...@listserver.u2ug.org] On Behalf Of u2ug Sent: Thursday, 27 January 2011 11:19 PM To: U2 Users List Subject: Re: [U2] UUID [was Data in Dict] This is only guaranteed to be unique per process due to the usage

Re: [U2] UUID [was Data in Dict]

2011-01-27 Thread u2ug
Sorry - I missed the second page. -Original Message- From: u2-users-boun...@listserver.u2ug.org [mailto:u2-users-boun...@listserver.u2ug.org] On Behalf Of Gregor Scott Sent: January 27, 2011 05:25 PM To: U2 Users List Subject: Re: [U2] UUID [was Data in Dict] The use of both

Re: [U2] UUID [was Data in Dict]

2011-01-26 Thread Boydell, Stuart
Most OSs have a call available for generating a UUID (Universally Unique ID) or GUID (Microsoft's acronym for Globally Unique ID). By definition and accepted generation standards these are almost guaranteed (!) to be unique (the probability of a clash is extremely small) across all computers.

Re: [U2] UUID [was Data in Dict]

2011-01-26 Thread Dan McGrath
-Original Message- From: u2-users-boun...@listserver.u2ug.org [mailto:u2-users-boun...@listserver.u2ug.org] On Behalf Of Boydell, Stuart Sent: Thursday, 27 January 2011 10:07 AM To: U2 Users List Subject: Re: [U2] UUID [was Data in Dict] Most OSs have a call available for generating a UUID

Re: [U2] UUID [was Data in Dict]

2011-01-26 Thread Gregor Scott
January 2011 10:46 AM To: U2 Users List Subject: Re: [U2] UUID [was Data in Dict] We also are using a form of UUID instead of sequential numbering on most of our new files. A lot easier to handle and makes maintenance easier. Thanks for the Stuart, I wasn't aware of that. For those using UniData, you