[Xapian-discuss] Re: add_document with starting docid

[Andrey]

Ar, I missed the replace_document() which can be used for add document with 
id#

Cheers

> Hi
>
> Is the sort_by_value() currently use string comparasion only? I found it's 
> kind of expenisve by inserting timestamps in the value slot and use it to 
> sort the result, comparing with the sort_by_docid()
>
> My work-around off this is to use the sort_by_docid() + a search term 
> "XSYNC_TIME" to sort the newest doc.
>
> But when working with multi-databases, DB2's doc are not after DB1's. 
> (interleave of the document ids over DBs)
>
> By reading this post from Olly...
> http://lists.tartarus.org/pipermail/xapian-discuss/2007-March/003539.html
> ============================================
> Hmm, actually I see a neat hack.  If you add the first document to db2
> with a document id at least one more than the last document id of db1
> then the merged document ids will preserve the order within each db
> but put all the documents in db1 before those in db2.  Currently
> xapian-compact preserves spans of unused document ids at the start and
> end of the database, but that would be easy to fix.
> ============================================
>
> How to add the first doc to db2 with a specific document id? Isn't it 
> automatically allocated from 1?
>
> Thanks and appreciated
> Andrey