[KinoSearch] Merging indexes: delete_docs_by_term() first?

[henka at cityweb.co.za]

>> When merging a temp index into a master index with add_invindexes
>> (), must
>> any existing documents in the master (ie, docs which match docs in the
>> temp index) first be marked as deleted using delete_docs_by_term()
>> prior
>> to the merge, or does the logic in add_invindexes() take care of
>> duplicate
>> documents?
>
> You must use delete_docs_by_term().  KS knows nothing about whether
> you've defined a field that you're using as a unique id.   It will
> happily index duplicates and return them with equal scores at search-
> time.

Excellent, thanks.  I suspected this, but needed to make sure to prevent
duplication.


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