[fpc-pascal] How to force unique field values with TBufDataSet

stdreamer stdreamer at freemail.gr
Mon Apr 27 17:03:33 CEST 2015


On 27/04/2015 12:40 μμ, Michael Van Canneyt wrote:
>
>
> On Mon, 27 Apr 2015, Gabor Boros wrote:
>
>> Hi All,
>>
>> Added ixUnique type index with IndexDefs or AddIndex, set IndexName or
>> IndexFieldNames. But no effect, I can add same field values without
>> any error.
>
> To the best of my knowledge, this is meant to import actual server index
> definitions, not to enforce in local data.
>
> It would often be useless to do so: it may wel be that a value is unique
> locally (in memory), but is not unique when you save it in the DB, for
> instance when you load only part of the data in your dataset.
>
> Michael.
> _______________________________________________
> fpc-pascal maillist  -  fpc-pascal at lists.freepascal.org
> http://lists.freepascal.org/cgi-bin/mailman/listinfo/fpc-pascal
>
>
you are kidding right? Have you just removed all local/single user 
application as target audience for TBuffdataset or is it my lack of 
understanding?



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