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Re: Foxpro goto command and deleted records
On 17/07/2012 23:57, Ethan Furman wrote:
> In Foxpro if you do a > > GOTO 7 > > with deleted off and record 7 is deleted, the record pointer doesn't > move (at least in version 6). > > I don't like that. > > I see four other options: > > 0) don't move the pointer (listed for completeness) > 1) go to that record anyway > 2) go to the next undeleted record > 3) go to the seventh undeleted record (possibly the least practical) > 4) raise an exception > > Any opinions? > What happens when you 'delete' a record? Does it disappear immediately, or is it merely marked for deletion? If it is marked for deletion, can it be unmarked? Will a marked record be removed when the file is closed, or does the file need to be explicitly purged/compacted? If it is merely marked, then I think the best option is 1, or possibly 4 if the file is compacted when closed. |
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