pandorafms/pandora_console/include/db/postgresql.php

266 lines
6.9 KiB
PHP

<?php
// Pandora FMS - http://pandorafms.com
// ==================================================
// Copyright (c) 2005-2011 Artica Soluciones Tecnologicas
// Please see http://pandorafms.org for full contribution list
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public License
// as published by the Free Software Foundation; version 2
// 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.
function postgresql_connect_db($host = null, $db = null, $user = null, $pass = null) {
global $config;
if ($host === null)
$host = $config["dbhost"];
if ($db === null)
$db = $config["dbname"];
if ($user === null)
$user = $config["dbuser"];
if ($pass === null)
$pass = $config["dbpass"];
$config['dbconnection'] = pg_connect("host=" . $host .
" dbname=" . $db .
" user=" . $user .
" password=" . $pass);
if (! $config['dbconnection']) {
include ($config["homedir"]."/general/error_authconfig.php");
exit;
}
return $config['dbconnection'];
}
function postgresql_get_db_all_rows_sql ($sql, $search_history_db = false, $cache = true) {
global $config;
$history = array ();
// To disable globally SQL cache depending on global variable.
// Used in several critical places like Metaconsole trans-server queries
if (isset($config["dbcache"]))
$cache = $config["dbcache"];
// Read from the history DB if necessary
if ($search_history_db) {
$cache = false;
$history = false;
if (isset($config['history_db_connection']))
$history = postgresql_process_sql ($sql, 'affected_rows', $config['history_db_connection'], false);
if ($history === false) {
$history = array ();
}
}
$return = postgresql_process_sql ($sql, 'affected_rows', $config['dbconnection'], $cache);
if ($return === false) {
return false;
}
// Append result to the history DB data
if (! empty ($return)) {
foreach ($return as $row) {
array_push ($history, $row);
}
}
if (! empty ($history))
return $history;
//Return false, check with === or !==
return false;
}
function postgresql_insert_id($dbconnection = '') {
global $config;
if ($dbconnection !== '') {
$insert_query = pg_query($dbconnection, "SELECT lastval();");
$insert_id = pg_fetch_row($insert_query);
$result = $insert_id[0];
}
else {
$insert_query = pg_query($config['dbconnection'], "SELECT lastval();");
$insert_id = pg_fetch_row($insert_query);
$result = $insert_id[0];
}
return $result;
}
function postgresql_process_sql($sql, $rettype = "affected_rows", $dbconnection = '', $cache = true) {
global $config;
global $sql_cache;
$retval = array();
if ($sql == '')
return false;
if ($cache && ! empty ($sql_cache[$sql])) {
$retval = $sql_cache[$sql];
$sql_cache['saved']++;
add_database_debug_trace ($sql);
}
else {
$start = microtime (true);
if ($dbconnection !== '') {
pg_send_query($dbconnection, $sql);
$result = pg_get_result($dbconnection);
}
else {
pg_send_query($config['dbconnection'], $sql);
$result = pg_get_result($config['dbconnection']);
}
$time = microtime (true) - $start;
if ($result === false) {
$backtrace = debug_backtrace ();
$error = sprintf ('%s (\'%s\') in <strong>%s</strong> on line %d',
mysql_error (), $sql, $backtrace[0]['file'], $backtrace[0]['line']);
add_database_debug_trace ($sql, mysql_error ());
set_error_handler ('sql_error_handler');
trigger_error ($error);
restore_error_handler ();
return false;
}
else {
$status = pg_result_status($result);
$rows = pg_affected_rows($result);
if ($status !== 2) { //The query NOT IS a select
if ($rettype == "insert_id") {
$result = postgresql_insert_id($dbconnection);
}
elseif ($rettype == "info") {
$result = pg_result_status($result, PGSQL_STATUS_STRING);
}
else {
$rows = pg_affected_rows($result);
$result = $rows;
}
add_database_debug_trace ($sql, $result, $rows,
array ('time' => $time));
return $result;
}
else { //The query IS a select.
add_database_debug_trace ($sql, 0, $rows, array ('time' => $time));
while ($row = pg_fetch_assoc($result)) {
array_push ($retval, $row);
}
if ($cache === true)
$sql_cache[$sql] = $retval;
pg_free_result ($result);
}
}
}
if (! empty ($retval)) {
return $retval;
}
//Return false, check with === or !==
return false;
}
/**
* Get all the rows in a table of the database.
*
* @param string Database table name.
* @param string Field to order by.
* @param string $order The type of order, by default 'ASC'.
*
* @return mixed A matrix with all the values in the table
*/
function postgresql_get_db_all_rows_in_table($table, $order_field = "", $order = 'ASC') {
if ($order_field != "") {
return get_db_all_rows_sql ('SELECT * FROM "'.$table.'" ORDER BY "'.$order_field . ' ' . $order);
}
else {
return get_db_all_rows_sql ('SELECT * FROM "'.$table.'"');
}
}
/**
* Inserts strings into database
*
* The number of values should be the same or a positive integer multiple as the number of rows
* If you have an associate array (eg. array ("row1" => "value1")) you can use this function with ($table, array_keys ($array), $array) in it's options
* All arrays and values should have been cleaned before passing. It's not neccessary to add quotes.
*
* @param string Table to insert into
* @param mixed A single value or array of values to insert (can be a multiple amount of rows)
*
* @return mixed False in case of error or invalid values passed. Affected rows otherwise
*/
function postgresql_process_sql_insert($table, $values) {
//Empty rows or values not processed
if (empty ($values))
return false;
$values = (array) $values;
$query = sprintf ('INSERT INTO "%s" ', $table);
$fields = array ();
$values_str = '';
$i = 1;
$max = count ($values);
foreach ($values as $field => $value) {
//Add the correct escaping to values
if ($field[0] != '"') {
$field = '"' . $field . '"';
}
array_push ($fields, $field);
if (is_null ($value)) {
$values_str .= "NULL";
}
elseif (is_int ($value) || is_bool ($value)) {
$values_str .= sprintf("%d", $value);
}
else if (is_float ($value) || is_double ($value)) {
$values_str .= sprintf("%f", $value);
}
else {
$values_str .= sprintf("'%s'", $value);
}
if ($i < $max) {
$values_str .= ",";
}
$i++;
}
$query .= '(' . implode(', ', $fields) . ')';
$query .= ' VALUES (' . $values_str . ')';
return process_sql($query, 'insert_id');
}
/**
*
* Escape string to set it properly to use in sql queries
*
* @param string String to be cleaned.
*
* @return string String cleaned.
*/
function postgresql_escape_string_sql($string) {
$str = pg_escape_string($string);
return $str;
}
?>