Re: Database Locking?!?
This WebDNA talk-list message is from 2000
It keeps the original formatting.
numero = 26127
interpreted = N
texte = >This has been discussed before and I'm bringing it up again... > >Database locking. >Let me make a few quick assumptions for my problem to prevent solutions >that I can't use: >1. I MUST use my sequential number solution as the record ID. >2. Refer to #1 >3. I can't really reduce the size of the database for other reasons. > >My question is, I need to do database locking somehow. If I do my >search INSIDE of the append, will that lock access to the database until >the append completes, and therefore solve my duplicate ID problem? > >If not, any other ideas on this (but sticking to the top 3 assumptions)?Use a second database that only has the highest number in it. So for each record in the other db get the number, put it in a variable then add one to it and append it back. Use a lookup to get the number the first time and a replace to append the incremented number. This would be a very fast way to take care of it.John Jakovich | ==Ecommerce and Beyond== Smith Micro Software Inc. | http://www.smithmicro.com------------------------------------------------------------- Brought to you by CommuniGate Pro - The Buzz Word Compliant Messaging Server. To end your Mail problems go to
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Associated Messages, from the most recent to the oldest:
>This has been discussed before and I'm bringing it up again... > >Database locking. >Let me make a few quick assumptions for my problem to prevent solutions >that I can't use: >1. I MUST use my sequential number solution as the record ID. >2. Refer to #1 >3. I can't really reduce the size of the database for other reasons. > >My question is, I need to do database locking somehow. If I do my >search INSIDE of the append, will that lock access to the database until >the append completes, and therefore solve my duplicate ID problem? > >If not, any other ideas on this (but sticking to the top 3 assumptions)?Use a second database that only has the highest number in it. So for each record in the other db get the number, put it in a variable then add one to it and append it back. Use a lookup to get the number the first time and a replace to append the incremented number. This would be a very fast way to take care of it.John Jakovich | ==Ecommerce and Beyond== Smith Micro Software Inc. | http://www.smithmicro.com------------------------------------------------------------- Brought to you by CommuniGate Pro - The Buzz Word Compliant Messaging Server. To end your Mail problems go to .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
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