search for: subdatabases

Hello, i switched from one big index to a stub file with many indexes and running into a problem. i have a tool to fetch a random document via: get_doccount random id up to get_doccount get_document with that id after changing to stub file this failes. Is there a nice way to get a random document from a stub file? ?MfG? Felix Ostmann

Hi, Is it necessary to set the down below flag to the TermGenerator, if I want the "Did you mean ..." spelling corrections? Xapian::TermGenerator::flags::FLAG_SPELLING Thank you very much Markus

...ueryinternal.cc#L1665 ([2]); if (!qopt->db.has_positions()) { // No positions in this subdatabase so this matches nothing, // which means the whole andcontext matches nothing. ctx.reset(); return; } How to fix this ============ Here is what I believe is happening: We are using subdatabases (all glass) for caching recent database additions, and some of these do not contain positional information. This makes the internal query code reset the AND-context, which in effect frees its postlist. One of the postlist entries is still pointed at by the `hint` field of QueryOptimiser from a prev...

[Replying to xapian-devel, as I think a wider audience would be useful] On Mon, Oct 21, 2013 at 11:24:51PM +0800, jiangwen jiang wrote: > yes, it's less efficient. Lucene database has multiple segments, each > segment can treat as a independent database. The same term may exists in >= > 1 segments. Sorry for taking a while to respond - I've been both busy and mulling this