Re: automatically updating all records, one by one in a db
This WebDNA talk-list message is from 2000
It keeps the original formatting.
numero = 36255
interpreted = N
texte = The data I change is in fact based on the data contains within the individual record. I have already made a copy of the database and have it on my development machine - just so I don't mess up my production database
I'll give this a try, always worried about making such wholesale changes to my primary database ThanksOn Friday, August 18, 2000, Peter Ostry wrote:>on 17.08.2000 13:16, Dale at stuff@colony.net wrote:>>> I have to update some information in each record of a live production>> database. There are a couple of different fields that need to be updated and I>> want to make sure I do things correctly as to not mess up my>db.>>Make a copy first :)>>>> So how do I do a search, with results for only 1 at a time, make the changes,>> then proceed to the next record that needs to be updated?>>>You don't have to search for each record individually. [founditems] is in>fact a loop which automatically steps through all found records. Everything>between [founditems] and [/founditems] is executed record for record. You>can use [showif]'s there to define conditions for various actions. For each>run through [founditems] you can use data of the current record if>necessary.>>If you do not need individual data of the current record but rather change>all or a selection of records by given criteria, a search is not necessary.>Use [replace], which is actually query and replace in one>command.>>>-->btw - to change fields within a [founditems] loop you have to use [replace]>either. Since [replace] containes a search this is (in my opinion) wasted>time - I never understood why I have to do execute a new query for a already>loaded record... >>>Peter>>>------------------------------------------------------------->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://search.smithmicro.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://search.smithmicro.com/
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The data I change is in fact based on the data contains within the individual record. I have already made a copy of the database and have it on my development machine - just so I don't mess up my production database I'll give this a try, always worried about making such wholesale changes to my primary database ThanksOn Friday, August 18, 2000, Peter Ostry wrote:>on 17.08.2000 13:16, Dale at stuff@colony.net wrote:>>> I have to update some information in each record of a live production>> database. There are a couple of different fields that need to be updated and I>> want to make sure I do things correctly as to not mess up my>db.>>Make a copy first :)>>>> So how do I do a search, with results for only 1 at a time, make the changes,>> then proceed to the next record that needs to be updated?>>>You don't have to search for each record individually. [founditems] is in>fact a loop which automatically steps through all found records. Everything>between [founditems] and [/founditems] is executed record for record. You>can use [showif]'s there to define conditions for various actions. For each>run through [founditems] you can use data of the current record if>necessary.>>If you do not need individual data of the current record but rather change>all or a selection of records by given criteria, a search is not necessary.>Use [replace], which is actually query and replace in one>command.>>>-->btw - to change fields within a [founditems] loop you have to use [replace]>either. Since [replace] containes a search this is (in my opinion) wasted>time - I never understood why I have to do execute a new query for a already>loaded record... >>>Peter>>>------------------------------------------------------------->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://search.smithmicro.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://search.smithmicro.com/
Dale
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