70 lines
1.8 KiB
C++
70 lines
1.8 KiB
C++
// 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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#include "table.h"
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DataBase::_Table::_Table(const std::string& p_name, DataBase* parent):
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dbi(),
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db(parent),
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name(p_name)
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{
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}
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DataBase::_Table::~_Table() {}
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void DataBase::_Table::drop()
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{
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if (!db->opened) {
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throw Closed("drop", db->name, name);
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}
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MDB_txn *txn;
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int rc = mdb_txn_begin(db->environment, NULL, 0, &txn);
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if (rc) {
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throw Unknown(db->name, mdb_strerror(rc), name);
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}
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rc = drop(txn);
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if (rc) {
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throw Unknown(db->name, mdb_strerror(rc), name);
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}
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mdb_txn_commit(txn);
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}
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int DataBase::_Table::drop(MDB_txn* transaction)
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{
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return mdb_drop(transaction, dbi, 0);
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}
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uint32_t DataBase::_Table::count() const
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{
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if (!db->opened) {
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throw Closed("count", db->name, name);
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}
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MDB_txn *txn;
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MDB_stat stat;
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int rc = mdb_txn_begin(db->environment, NULL, 0, &txn);
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rc = mdb_stat(txn, dbi, &stat);
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if (rc) {
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throw Unknown(db->name, mdb_strerror(rc), name);
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}
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uint32_t amount = stat.ms_entries;
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mdb_txn_abort(txn);
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return amount;
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}
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