54 lines
1.6 KiB
C++
54 lines
1.6 KiB
C++
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// Squawk messenger.
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// Copyright (C) 2019 Yury Gubich <blue@macaw.me>
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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 <http://www.gnu.org/licenses/>.
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#ifndef CORE_TABLE_HPP
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#define CORE_TABLE_HPP
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#include "table.h"
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template<typename K, typename V>
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void Core::DataBase::Table<K, V>::addRecord(const K& key, const V& value) {
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if (!db->opened) {
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throw Closed("addRecord", db->name);
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}
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QByteArray ba;
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QDataStream ds(&ba, QIODevice::WriteOnly);
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ds << value;
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MDB_val lmdbKey, lmdbData;
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lmdbKey << key;
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lmdbData.mv_size = ba.size();
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lmdbData.mv_data = (uint8_t*)ba.data();
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MDB_txn *txn;
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mdb_txn_begin(db->environment, NULL, 0, &txn);
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int rc;
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rc = mdb_put(txn, dbi, &lmdbKey, &lmdbData, MDB_NOOVERWRITE);
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if (rc != 0) {
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mdb_txn_abort(txn);
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if (rc == MDB_KEYEXIST) {
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throw Exist(db->name, std::to_string(key));
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} else {
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throw Unknown(db->name, mdb_strerror(rc));
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}
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} else {
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mdb_txn_commit(txn);
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}
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}
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#endif //CORE_TABLE_HPP
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