Example for adding an autonumber field to a database
This WebDNA talk-list message is from 2006
It keeps the original formatting.
numero = 63847
interpreted = N
texte = I wrote a simple fix for some databases I had that needed a SKU or ID field that is autonumbered. First I fixed the code where I appended records to include autonumbering, then I ran code below to add the field and autonumber it. I'm posting the code because it might help someone else. If there's a better way, please let me know. Thanks, Bill [!] ADD AN AUTONUMBERED FIELD TO A DATABASE SPECIFY THE DATABASE and THE INCREMENTFIELD [/!] [!]MAKE THE NEW.DB WITH NEW AND OLD FIELDS USING TABS[/!] [!]START SPECIFY THESE[/!] [text]olddb=DATABASE.db[/text] [text]incrementfield=SKU[/text] [!]END SPECIFY THESE[/!] [text]newdb=new_[olddb][/text][!]MAKE SURE THIS IS NOT AN EXISTING DATABASE[/!] [!]VALIDATION[/!] [if "[fileinfo file=[olddb]][exists][/fileinfo]"!"T"] [then] [text]errordetected=MISSING DATABASE[/text] [/then] [else] [listfields db=[olddb]] [showif [fieldname]=[incrementfield]] [text]errordetected=FIELD USED[/text] [/showif] [/listfields] [/else] [/if] [if "[errordetected]"="[raw][errordetected][/raw]"] [then] [writefile file=[newdb]][incrementfield][listfields db=[olddb]] [fieldname][/listfields] [/writefile] [!]COPY OLD RECORDS TO NEW.DB[/!] [search db=[olddb][listfields db=[olddb]]&ne[fieldname]datarq= [findall][/listfields]] [founditems] [append db=[newdb]&autonumber=[incrementfield]][listfields db= [olddb]]&[fieldname]=[interpret][[fieldname]][/interpret][/listfields] [/append] [/founditems] [/search] [!]ARCHIVE OLD AND SWAP IN NEW FILE[/!] [text]dbarchivefolder=dbarchive/[/text] [showif [fileinfo file=[dbarchive]][exists][/fileinfo]!T] [createfolder path=[dbarchivefolder]] [/showif] [exclusivelock db=[olddb]&db=[newdb]] [closedatabase db=[olddb]] [closedatabase db=[newdb]] [movefile from=[olddb]&to=[dbarchivefolder][olddb]_[math]{[date]}[/ math]_[math]{[time]}[/math]] [movefile from=[newdb]&to=[olddb]] [/exclusivelock]
[olddb] has been updated
[/then] [else]
[errordetected]
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- Example for adding an autonumber field to a database ( William DeVaul 2006)
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I wrote a simple fix for some databases I had that needed a SKU or ID field that is autonumbered. First I fixed the code where I appended records to include autonumbering, then I ran code below to add the field and autonumber it. I'm posting the code because it might help someone else. If there's a better way, please let me know. Thanks, Bill [!] ADD AN AUTONUMBERED FIELD TO A DATABASE SPECIFY THE DATABASE and THE INCREMENTFIELD [/!] [!]MAKE THE NEW.DB WITH NEW AND OLD FIELDS USING TABS[/!] [!]START SPECIFY THESE[/!] [text]olddb=DATABASE.db[/text] [text]incrementfield=SKU[/text] [!]END SPECIFY THESE[/!] [text]newdb=new_[olddb][/text][!]MAKE SURE THIS IS NOT AN EXISTING DATABASE[/!] [!]VALIDATION[/!] [if "[fileinfo file=[olddb]][exists][/fileinfo]"!"T"] [then] [text]errordetected=MISSING DATABASE[/text] [/then] [else] [listfields db=[olddb]] [showif [fieldname]=[incrementfield]] [text]errordetected=FIELD USED[/text] [/showif] [/listfields] [/else] [/if] [if "[errordetected]"="[raw][errordetected][/raw]"] [then] [writefile file=[newdb]][incrementfield][listfields db=[olddb]] [fieldname][/listfields] [/writefile] [!]COPY OLD RECORDS TO NEW.DB[/!] [search db=[olddb][listfields db=[olddb]]&ne[fieldname]datarq= [findall][/listfields]] [founditems] [append db=[newdb]&autonumber=[incrementfield]][listfields db= [olddb]]&[fieldname]=[interpret][[fieldname]][/interpret][/listfields] [/append] [/founditems] [/search] [!]ARCHIVE OLD AND SWAP IN NEW FILE[/!] [text]dbarchivefolder=dbarchive/[/text] [showif [fileinfo file=[dbarchive]][exists][/fileinfo]!T] [createfolder path=[dbarchivefolder]] [/showif] [exclusivelock db=[olddb]&db=[newdb]] [closedatabase db=[olddb]] [closedatabase db=[newdb]] [movefile from=[olddb]&to=[dbarchivefolder][olddb]_[math]{[date]}[/ math]_[math]{[time]}[/math]] [movefile from=[newdb]&to=[olddb]] [/exclusivelock] [olddb] has been updated
[/then] [else] [errordetected]
[/else] [/if] ------------------------------------------------------------- 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/
William DeVaul
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