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f0131af6c5
The observation is that we are only using the messages to get there thread_id, which is kindof a pessimal access pattern for the current notmuch_message_get_thread_id
67 lines
2.2 KiB
C++
67 lines
2.2 KiB
C++
/* thread-fp.cc - "thread:" field processor glue
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*
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* This file is part of notmuch.
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*
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* Copyright © 2018 David Bremner
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any 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, see https://www.gnu.org/licenses/ .
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*
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* Author: David Bremner <david@tethera.net>
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*/
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#include "database-private.h"
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#include "thread-fp.h"
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#include <iostream>
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#if HAVE_XAPIAN_FIELD_PROCESSOR
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Xapian::Query
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ThreadFieldProcessor::operator() (const std::string & str)
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{
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notmuch_status_t status;
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const char *thread_prefix = _find_prefix ("thread");
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if (str.at (0) == '{') {
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if (str.size () <= 1 || str.at (str.size () - 1) != '}') {
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throw Xapian::QueryParserError ("missing } in '" + str + "'");
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} else {
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std::string subquery_str = str.substr (1, str.size () - 2);
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notmuch_query_t *subquery = notmuch_query_create (notmuch, subquery_str.c_str ());
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notmuch_messages_t *messages;
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std::set<std::string> terms;
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if (! subquery)
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throw Xapian::QueryParserError ("failed to create subquery for '" + subquery_str + "'");
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status = notmuch_query_search_messages (subquery, &messages);
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if (status)
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throw Xapian::QueryParserError ("failed to search messages for '" + subquery_str + "'");
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for (; notmuch_messages_valid (messages); notmuch_messages_move_to_next (messages)) {
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std::string term = thread_prefix;
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notmuch_message_t *message;
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message = notmuch_messages_get (messages);
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term += _notmuch_message_get_thread_id_only (message);
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terms.insert (term);
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}
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return Xapian::Query (Xapian::Query::OP_OR, terms.begin (), terms.end ());
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}
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} else {
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/* literal thread id */
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std::string term = thread_prefix + str;
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return Xapian::Query (term);
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}
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}
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#endif
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