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query-match-deciders: mark as leader / related 

So we can use that as metadata later
This commit is contained in:
Dirk-Jan C. Binnema 2021-01-29 22:41:59 +02:00
parent ad86e2c4fc
commit fdcbc5257d
1 changed files with 17 additions and 9 deletions
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26
lib/mu-query-match-deciders.cc
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@ -61,6 +61,13 @@ struct MatchDecider: public Xapian::MatchDecider {
return qm;
}
/**
* Should this message be included in the results?
*
* @param qm a query match
*
* @return true or false
*/
bool should_include (const QueryMatch& qm) const {
if (any_of(qflags_ & QueryFlags::SkipDuplicates) &&
@ -128,14 +135,14 @@ struct MatchDeciderLeader: public MatchDecider {
bool operator() (const Xapian::Document& doc) const override {
// by definition, we haven't seen the docid before,
// so no need to search
const auto it = decider_info_.matches.emplace(doc.get_docid(),
make_query_match(doc));
auto it = decider_info_.matches.emplace(doc.get_docid(), make_query_match(doc));
it.first->second.flags |= QueryMatch::Flags::Leader;
if (should_include(it.first->second)) {
if (any_of(qflags_ & QueryFlags::GatherThreadIds))
gather_thread_ids(doc);
return true;
}
return false;
}
};
@ -177,14 +184,15 @@ struct MatchDeciderRelated: public MatchDecider {
*/
bool operator() (const Xapian::Document& doc) const override {
// we may have seen this match in the "Leader" query.
auto it = decider_info_.matches.find(doc.get_docid());
const auto it = decider_info_.matches.find(doc.get_docid());
if (it != decider_info_.matches.end())
return should_include(it->second);
else { // nope; create it.
const auto new_it = decider_info_.matches.emplace(
doc.get_docid(), make_query_match(doc));
return should_include(new_it.first->second);
}
// nope; create it.
auto new_it = decider_info_.matches.emplace(
doc.get_docid(), make_query_match(doc));
new_it.first->second.flags |= QueryMatch::Flags::Related;
return should_include(new_it.first->second);
}
};