search for: set_elite_set_size

...plement a "deep copy" clone for Query objects and use it in Enquire::set_query() (b) make Query object immutable by replacing these non-const public methods with extra constructor parameters: void set_window(Xapian::termpos window); void set_cutoff(Xapian::weight cutoff); void set_elite_set_size(Xapian::termcount size); Xapian::termcount set_length(Xapian::termcount qlen); The private non-const methods are only used during construction, so they're not a problem. I tend to favour (b). The first three are tied to particular OPs (OP_NEAR/OP_PHRASE, OP_WEIGHT_CUTOFF, and OP_ELITE_SET r...