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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* database.cc
*
* Thu Sep 6 10:59:07 CEST 2007
* Copyright 2007 Bent Bisballe Nyeng, Lars Bisballe Jensen and Peter Skaarup
* deva@aasimon.org, elsenator@gmail.com and piparum@piparum.dk
****************************************************************************/
/*
* This file is part of Pracro.
*
* Pracro 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, or
* (at your option) any later version.
*
* Pracro 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 Pracro; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "database.h"
#include "tostring.h"
#include <time.h>
#include <sys/types.h>
#include <unistd.h>
Database::Database(std::string hostname, std::string user, std::string password)
: c("host=" + hostname +
" user=" + user +
" password=" + password +
" dbname=pracro")
{
/*
try {
char port_string[32];
sprintf(port_string, "%d", port);
std::string hoststring = "host=" + host + " port=" + port_string +
" user=" + user + " password=" + password + " dbname=" + database;
c = new pqxx::connection(hoststring);
} catch(const std::exception &e) {
//throw PostgreSQLException(e.what());
}
*/
}
Database::~Database()
{
}
int Database::post(Transaction &transaction)
{
time_t now = time(NULL);
std::string transidbase = toString((unsigned int)now) + "-"
+ toString((unsigned int)getpid()) + "-"; // Here we put the commit index
try {
pqxx::work W(c);
Commits::iterator i = transaction.commits.begin();
unsigned int idx = 0;
while(i != transaction.commits.end()) {
Commit &commit = *i;
std::string transid = transidbase + toString(idx);
// Insert transaction entry
std::string sql = "INSERT INTO transactions VALUES('" +
transaction.cpr + "', '" +
transid + "', '" +
commit.macro + "', '" +
commit.version + "', '" +
toString((unsigned int)now) + "', '" +
commit.user + "')";
W.exec(sql);
// Insert field entries
Fields::iterator j = commit.fields.begin();
while(j != commit.fields.end()) {
Field &field = *j;
sql = "INSERT INTO fields VALUES('" +
transid + "', '" +
field.name + "', '" +
field.value + "')";
W.exec(sql);
j++;
}
idx++;
i++;
}
W.commit();
} catch(const std::exception &e) {
// throw PostgreSQLException(e.what());
}
return 0;
}
// som root
// # createuser -P -h localhost -U postgres
// # createdb -U postgres -h localhost pracro
/*
CREATE DATABASE pracro
WITH OWNER = pracro
ENCODING = 'UNICODE'
TABLESPACE = pg_default;
CREATE TABLE transactions
(
"cpr" varchar(255),
"transaction" varchar(255),
"makro" varchar(255),
"version" varchar(255),
"timestamp" varchar(255),
"user" varchar(255)
)
WITH OIDS;
ALTER TABLE transactions OWNER TO pracro;
CREATE TABLE fields
(
"transaction" varchar(255),
"name" varchar(255),
"value" varchar(255)
)
WITH OIDS;
ALTER TABLE fields OWNER TO pracro;
// Get all matching fields
SELECT transactions.timestamp, transactions.transaction, fields.name, fields.value
FROM transactions, fields
WHERE transactions.cpr='2003791613'
AND transactions.transaction=fields.transaction
AND fields.name='fisk';
*/
/*
Employees:
Employee_ID Name
01 Hansen, Ola
02 Svendson, Tove
03 Svendson, Stephen
04 Pettersen, Kari
Orders:
Prod_ID Product Employee_ID
234 Printer 01
657 Table 03
865 Chair 03
SELECT Employees.Name, Orders.Product
FROM Employees, Orders
WHERE Employees.Employee_ID=Orders.Employee_ID
*/
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