1b42ad6099
Cleanup the query running and handling the results. - in threading, use stable_sort - remove dead code - fix indentation in a few places - don't need Option in various run_... in mu-query.cc
77 lines
2.4 KiB
C++
77 lines
2.4 KiB
C++
/*
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** Copyright (C) 2021-2026 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
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**
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** This program is free software; you can redistribute it and/or modify it
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** under the terms of the GNU General Public License as published by the
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** Free Software Foundation; either version 3, or (at your option) any
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** later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software Foundation,
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** Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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**
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*/
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#ifndef MU_QUERY_MATCH_DECIDERS_HH__
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#define MU_QUERY_MATCH_DECIDERS_HH__
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#include <unordered_set>
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#include <unordered_map>
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#include <memory>
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#include "mu-xapian-db.hh"
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#include "mu-query-results.hh"
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namespace Mu {
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using StringSet = std::unordered_set<std::string>;
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struct DeciderInfo {
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QueryMatches matches;
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StringSet thread_ids;
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StringSet message_ids;
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};
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/**
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* Make a "leader" decider, that is, a MatchDecider for either a singular or the
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* first query in the leader/related pair of queries. Gather information for
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* threading, and the subsequent "related" query.
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*
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* @param qflags query flags
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* @param match_info receives information about the matches.
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*
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* @return a unique_ptr to a match decider.
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*/
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std::unique_ptr<Xapian::MatchDecider> make_leader_decider(QueryFlags qflags, DeciderInfo& info);
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/**
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* Make a "related" decider, that is, a MatchDecider for the second query
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* in the leader/related pair of queries.
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*
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* @param qflags query flags
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* @param match_info receives information about the matches.
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*
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* @return a unique_ptr to a match decider.
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*/
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std::unique_ptr<Xapian::MatchDecider> make_related_decider(QueryFlags qflags, DeciderInfo& info);
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/**
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* Make a "thread" decider, that is, a MatchDecider that removes all but the
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* documents found during the initial/related searches (i.e., those that
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* received a thread-path during threading).
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*
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* @param matches the matches found during the initial/related searches
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*
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* @return a unique_ptr to a match decider.
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*/
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std::unique_ptr<Xapian::MatchDecider> make_thread_decider(const QueryMatches& matches);
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} // namespace Mu
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#endif /* MU_QUERY_MATCH_DECIDERS_HH__ */
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