/usr/include/dballe/db/odbc/levtr.h is in libdballe-dev 7.7-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* db/odbc/lev_tr - lev_tr table management
*
* Copyright (C) 2005--2015 ARPA-SIM <urpsim@smr.arpa.emr.it>
*
* 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 2 of the License.
*
* 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Author: Enrico Zini <enrico@enricozini.com>
*/
#ifndef DBALLE_DB_ODBC_LEV_TR_H
#define DBALLE_DB_ODBC_LEV_TR_H
/** @file
* @ingroup db
*
* lev_tr table management used by the db module.
*/
#include <dballe/db/db.h>
#include <dballe/db/sql/levtr.h>
#include <dballe/db/odbc/internals.h>
#include <cstdio>
#include <memory>
namespace dballe {
struct Record;
struct Msg;
namespace msg {
struct Context;
}
namespace db {
struct Connection;
struct Statement;
namespace odbc {
struct DB;
/**
* Precompiled queries to manipulate the lev_tr table
*/
struct ODBCLevTrV6 : public sql::LevTr
{
protected:
/**
* DB connection.
*/
ODBCConnection& conn;
/// lev_tr ID sequence, for databases that need it
db::Sequence* seq_lev_tr = nullptr;
/** Precompiled select statement */
ODBCStatement* sstm = nullptr;
/** Precompiled select data statement */
ODBCStatement* sdstm = nullptr;
/** Precompiled insert statement */
ODBCStatement* istm = nullptr;
/** Precompiled delete statement */
ODBCStatement* dstm = nullptr;
DBRow working_row;
/**
* Insert a new lev_tr in the database
*
* @return
* The ID of the newly inserted lev_tr
*/
int insert();
/**
* Get the lev_tr id for the current lev_tr data.
*
* @return
* The database ID, or -1 if no existing lev_tr entry matches the given values
*/
int get_id();
/**
* Remove a lev_tr record
*/
void remove();
public:
ODBCLevTrV6(ODBCConnection& conn);
ODBCLevTrV6(const LevTr&) = delete;
ODBCLevTrV6(const LevTr&&) = delete;
ODBCLevTrV6& operator=(const ODBCLevTrV6&) = delete;
~ODBCLevTrV6();
/**
* Return the ID for the given Level and Trange, adding it to the database
* if it does not already exist
*/
int obtain_id(const Level& lev, const Trange& tr) override;
const DBRow* read(int id) override;
void read_all(std::function<void(const DBRow&)> dest) override;
/**
* Dump the entire contents of the table to an output stream
*/
void dump(FILE* out) override;
};
}
}
}
#endif
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