/usr/include/dballe/db/data.h is in libdballe-dev 5.18-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 | /*
* db/data - data table management
*
* Copyright (C) 2005--2010 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_DATA_H
#define DBALLE_DB_DATA_H
/** @file
* @ingroup db
*
* Data table management used by the db module.
*/
#include <dballe/db/odbcworkarounds.h>
#include <wreport/var.h>
#include <sqltypes.h>
#include <cstdio>
namespace dballe {
struct DB;
namespace db {
struct Connection;
struct Statement;
/**
* Precompiled query to manipulate the data table
*/
struct Data
{
/** DB connection. */
db::Connection& conn;
/** Precompiled insert statement */
db::Statement* istm;
/** Precompiled update statement */
db::Statement* ustm;
/** Precompiled insert or ignore statement */
db::Statement* iistm;
/** Context ID SQL parameter */
DBALLE_SQL_C_SINT_TYPE id_context;
/** Variable type SQL parameter */
wreport::Varcode id_var;
/** Variable value SQL parameter */
char value[255];
/** Variable value indicator */
SQLLEN value_ind;
Data(Connection& conn);
~Data();
/**
* Set the value input fields using a wreport::Var
*/
void set(const wreport::Var& var);
/**
* Set the value input fields using a string value
*/
void set_value(const char* value);
/**
* Insert an entry into the data table, failing on conflicts.
*
* Trying to replace an existing value will result in an error.
*/
void insert_or_fail();
/**
* Insert an entry into the data table, ignoring conflicts.
*
* Trying to replace an existing value will do nothing.
*
* @return true if it was inserted, false if it was already present
*/
bool insert_or_ignore();
/**
* Insert an entry into the data table, overwriting on conflicts.
*
* An existing data with the same context and ::dba_varcode will be
* overwritten.
*/
void insert_or_overwrite();
/**
* Dump the entire contents of the table to an output stream
*/
void dump(FILE* out);
private:
// disallow copy
Data(const Data&);
Data& operator=(const Data&);
};
} // namespace db
} // namespace dballe
/* vim:set ts=4 sw=4: */
#endif
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