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mu/lib/mu-query-threads.hh
Dirk-Jan C. Binnema 6ff9829ce1 lib: improve threaded sorting
Improve threaded sorting:
- rework the recursive algo (which should a crash noted earlier)
- sort by thread key (as in 1.5.7)

Fixes: #1923
Fixes: #1922
Fixes: #1911
Fixes: #1916
2021-02-10 12:35:19 +02:00

42 lines
1.4 KiB
C++

/*
** Copyright (C) 2021 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
**
** This program is free software; you can redistribute it and/or modify it
** under the terms of the GNU General Public License as published by the
** Free Software Foundation; either version 3, or (at your option) any
** later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software Foundation,
** Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
**
*/
#ifndef MU_QUERY_THREADS__
#define MU_QUERY_THREADS__
#include "mu-query-results.hh"
namespace Mu {
/**
* Calculate the threads for these query results; that is, determine the
* thread-paths for each message, so we can let Xapian order them in the correct
* order.
*
* Note - threads are sorted chronologically, and the messages below the top
* level are always sorted in ascending orde
*
* @param qres query results
* @param descending whether to sort the top-level in descending order
*/
void calculate_threads (QueryResults& qres, bool descending);
} // namespace Mu
#endif /*MU_QUERY_THREADS__*/