Re: CloseDataBase vs CommitDataBase
This WebDNA talk-list message is from 2007
It keeps the original formatting.
numero = 68837
interpreted = N
texte = year date hour minute seconds ( 20070415092845 ) is what I've been using as as a unique ID Whats weird is someone makes a post, then makes another post 15-20 minutes later or later even, and they've have the same uniqueID as that previous post. Doesn't happen that often, but when it does it seems to be one or two users or so and "only" those users when it does happen. --- "Dennis J. Bonsall, Jr."
wrote: > > I want to add either > > CLOSEDATABASE or COMMITDATABASE > > to my append page. > > > > The docs sorta contradict on using these. > > Is there a good rule of thumb when using either? > > > > Like "before" an append or "after" an append? > > > > One tag better than the other? > > Typically, you should not need to use either of > these. In the WebDNA > preferences, there is an option to automatically > commit changes to > the database anytime the database has been modified. > However, my > experience is that it does not necessarily work as > advertised. This > may have been fixed in later versions, but in the > version I am using > (version 4.5.1), I often have the same database get > opened more than > once. I use [closedatabase] (with an absolute path > from the server's > root specified) to get around this issue. I close > all instances of > the database which makes sure that when the database > is reloaded the > updated info is available. > > As for using these tags before or after an append, I > guess it would > depend on exact circumstances. If not all info was > being recorded to > the database from a prior entry which results in > WebDNA not being > able to verify whether an ID exists before it uses > it, you might want > to try committing the database before the append > (and actually before > the routine that checks to see if the ID is already > in use). If the > record is not being committed to the database > immediately on a > change, you could use the [commitdatabase] after the > append. > > As for [closedatabase], there shouldn't be much use > for it, unless > you have issues with the same database being opened > multiple times, > like I do. You can check your list of open > databases to see if that > is the case. In my case, each instance has a > different path (one > instance has an exact path, while one has a virtual > path), but they > are the same database. > > What are you using to generate your unique ID's? > [cart] makes a > perfect unique ID generator. > > Dennis > > ------------------------------------------------------------- > This message is sent to you because you are > subscribed to > the mailing list > . > To unsubscribe, E-mail to: > > To switch to the DIGEST mode, E-mail to > > Web Archive of this list is at: > http://webdna.smithmicro.com/ > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com ------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list . To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://webdna.smithmicro.com/
Associated Messages, from the most recent to the oldest:
year date hour minute seconds ( 20070415092845 ) is what I've been using as as a unique ID Whats weird is someone makes a post, then makes another post 15-20 minutes later or later even, and they've have the same uniqueID as that previous post. Doesn't happen that often, but when it does it seems to be one or two users or so and "only" those users when it does happen. --- "Dennis J. Bonsall, Jr." wrote: > > I want to add either > > CLOSEDATABASE or COMMITDATABASE > > to my append page. > > > > The docs sorta contradict on using these. > > Is there a good rule of thumb when using either? > > > > Like "before" an append or "after" an append? > > > > One tag better than the other? > > Typically, you should not need to use either of > these. In the WebDNA > preferences, there is an option to automatically > commit changes to > the database anytime the database has been modified. > However, my > experience is that it does not necessarily work as > advertised. This > may have been fixed in later versions, but in the > version I am using > (version 4.5.1), I often have the same database get > opened more than > once. I use [closedatabase] (with an absolute path > from the server's > root specified) to get around this issue. I close > all instances of > the database which makes sure that when the database > is reloaded the > updated info is available. > > As for using these tags before or after an append, I > guess it would > depend on exact circumstances. If not all info was > being recorded to > the database from a prior entry which results in > WebDNA not being > able to verify whether an ID exists before it uses > it, you might want > to try committing the database before the append > (and actually before > the routine that checks to see if the ID is already > in use). If the > record is not being committed to the database > immediately on a > change, you could use the [commitdatabase] after the > append. > > As for [closedatabase], there shouldn't be much use > for it, unless > you have issues with the same database being opened > multiple times, > like I do. You can check your list of open > databases to see if that > is the case. In my case, each instance has a > different path (one > instance has an exact path, while one has a virtual > path), but they > are the same database. > > What are you using to generate your unique ID's? > [cart] makes a > perfect unique ID generator. > > Dennis > > ------------------------------------------------------------- > This message is sent to you because you are > subscribed to > the mailing list > . > To unsubscribe, E-mail to: > > To switch to the DIGEST mode, E-mail to > > Web Archive of this list is at: > http://webdna.smithmicro.com/ > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com ------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list . To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://webdna.smithmicro.com/
Lester
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