1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52
|
/*
Copyright (C) 2019-2024 Selwin van Dijk
This file is part of signalbackup-tools.
signalbackup-tools 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 of the License, or
(at your option) any later version.
signalbackup-tools 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 signalbackup-tools. If not, see <https://www.gnu.org/licenses/>.
*/
#include "signalbackup.ih"
long long int SignalBackup::getMinUsedId(std::string const &table, std::string const &col) const
{
if (!d_database.containsTable(table))
return 0;
SqliteDB::QueryResults results;
d_database.exec("SELECT MIN(" + col + ") FROM " + table, &results);
if (results.rows() != 1 ||
results.columns() != 1 ||
!results.valueHasType<long long int>(0, 0))
{
return 0;
}
return results.getValueAs<long long int>(0, 0);
}
long long int SignalBackup::getMaxUsedId(std::string const &table, std::string const &col) const
{
if (!d_database.containsTable(table))
return 0;
SqliteDB::QueryResults results;
d_database.exec("SELECT MAX(" + col + ") FROM " + table, &results);
if (results.rows() != 1 ||
results.columns() != 1 ||
!results.valueHasType<long long int>(0, 0))
{
return 0;
}
return results.getValueAs<long long int>(0, 0);
}
|