1154 lines
33 KiB
PHP
1154 lines
33 KiB
PHP
<?php
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// Pandora FMS - http://pandorafms.com
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// ==================================================
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// Copyright (c) 2005-2021 Artica Soluciones Tecnologicas
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// Please see http://pandorafms.org for full contribution list
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public License
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// as published by the Free Software Foundation; version 2
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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function postgresql_connect_db($host=null, $db=null, $user=null, $pass=null, $port=null)
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{
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global $config;
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if ($host === null) {
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$host = $config['dbhost'];
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}
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if ($db === null) {
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$db = $config['dbname'];
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}
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if ($user === null) {
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$user = $config['dbuser'];
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}
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if ($pass === null) {
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$pass = $config['dbpass'];
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}
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if ($port === null) {
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$port = $config['dbport'];
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}
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$connect_id = pg_connect(
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"host='".$host."'".' port='.$port." dbname='".$db."'"." user='".$user."'"." password='".$pass."'",
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PGSQL_CONNECT_FORCE_NEW
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);
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if (! $connect_id) {
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return false;
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}
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db_change_cache_id($host, $db);
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return $connect_id;
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}
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/**
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* Get the first value of the first row of a table in the database.
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*
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* @param string $field Field name to get.
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* @param string $table Table to retrieve the data.
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* @param string $field_search Field to filter elements.
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* @param string $condition Condition the field must have.
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* @param boolean $search_history_db Search in historical db.
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* @param boolean $cache Enable cache or not.
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*
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* @return mixed Value of first column of the first row. False if there were no row.
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*/
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function postgresql_db_get_value(
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$field,
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$table,
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$field_search=1,
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$condition=1,
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$search_history_db=false,
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$cache=true
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) {
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if ($field_search[0] == '`') {
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$field_search = str_replace('`', '', $field_search);
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}
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if (is_int($condition)) {
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$sql = sprintf(
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'SELECT %s FROM %s WHERE %s = %d LIMIT 1',
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$field,
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$table,
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$field_search,
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$condition
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);
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} else if (is_float($condition) || is_double($condition)) {
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$sql = sprintf(
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'SELECT %s FROM %s WHERE %s = %f LIMIT 1',
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$field,
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$table,
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$field_search,
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$condition
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);
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} else {
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$sql = sprintf(
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"SELECT %s FROM %s WHERE %s = '%s' LIMIT 1",
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$field,
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$table,
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$field_search,
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$condition
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);
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}
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$result = db_get_all_rows_sql($sql, $search_history_db, $cache);
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if ($result === false) {
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return false;
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}
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$row = array_shift($result);
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$value = array_shift($row);
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if ($value === null) {
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return false;
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}
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return $value;
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}
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/**
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* Get the first row of a database query into a table.
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*
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* The SQL statement executed would be something like:
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* "SELECT (*||$fields) FROM $table WHERE $field_search = $condition"
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*
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* @param string Table to get the row
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* @param string Field to filter elements
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* @param string Condition the field must have.
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* @param mixed Fields to select (array or string or false/empty for *)
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*
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* @return mixed The first row of a database query or false.
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*/
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function postgresql_db_get_row($table, $field_search, $condition, $fields=false)
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{
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if (empty($fields)) {
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$fields = '*';
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} else {
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if (is_array($fields)) {
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$fields = implode(',', $fields);
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} else if (! is_string($fields)) {
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return false;
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}
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}
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if (is_int($condition)) {
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$sql = sprintf(
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'SELECT %s FROM "%s" WHERE "%s" = %d LIMIT 1',
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$fields,
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$table,
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$field_search,
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$condition
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);
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} else if (is_float($condition) || is_double($condition)) {
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$sql = sprintf(
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'SELECT %s FROM "%s" WHERE "%s" = %f LIMIT 1',
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$fields,
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$table,
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$field_search,
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$condition
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);
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} else {
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$sql = sprintf(
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"SELECT %s FROM \"%s\" WHERE \"%s\" = '%s' LIMIT 1",
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$fields,
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$table,
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$field_search,
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$condition
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);
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}
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$result = db_get_all_rows_sql($sql);
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if ($result === false) {
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return false;
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}
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return $result[0];
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}
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function postgresql_db_get_all_rows_sql($sql, $search_history_db=false, $cache=true, $dbconnection=false)
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{
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global $config;
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$history = [];
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if ($dbconnection === false) {
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$dbconnection = $config['dbconnection'];
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}
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// To disable globally SQL cache depending on global variable.
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// Used in several critical places like Metaconsole trans-server queries
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if (isset($config['dbcache'])) {
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$cache = $config['dbcache'];
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}
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// Read from the history DB if necessary
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if ($search_history_db && $config['history_db_enabled'] == 1) {
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$cache = false;
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$history = false;
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// Connect to the history DB
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$history_db_connection = db_connect($config['history_db_host'], $config['history_db_name'], $config['history_db_user'], $config['history_db_pass'], io_output_password($config['history_db_port'], false));
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if ($history_db_connection !== false) {
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$history = postgresql_db_process_sql($sql, 'affected_rows', $config['history_db_connection'], false);
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}
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if ($history === false) {
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$history = [];
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}
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}
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$return = postgresql_db_process_sql($sql, 'affected_rows', $dbconnection, $cache);
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if ($return === false) {
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$return = [];
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}
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// Append result to the history DB data
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if (! empty($return)) {
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foreach ($return as $row) {
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array_push($history, $row);
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}
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}
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if (! empty($history)) {
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return $history;
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}
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// Return false, check with === or !==
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return false;
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}
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function postgresql_insert_id($dbconnection='')
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{
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global $config;
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if ($dbconnection !== '') {
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$insert_query = pg_query($dbconnection, 'SELECT lastval();');
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$insert_id = pg_fetch_row($insert_query);
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$result = $insert_id[0];
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} else {
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$insert_query = pg_query($config['dbconnection'], 'SELECT lastval();');
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$insert_id = pg_fetch_row($insert_query);
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$result = $insert_id[0];
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}
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return $result;
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}
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function postgresql_db_process_sql($sql, $rettype='affected_rows', $dbconnection='', $cache=true, &$status=null)
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{
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global $config;
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global $sql_cache;
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$retval = [];
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if ($sql == '') {
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return false;
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}
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if ($cache && ! empty($sql_cache[$sql_cache['id']][$sql])) {
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$retval = $sql_cache[$sql_cache['id']][$sql];
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$sql_cache['saved'][$sql_cache['id']]++;
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db_add_database_debug_trace($sql);
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} else {
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$start = microtime(true);
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if ($dbconnection !== '') {
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pg_send_query($dbconnection, $sql);
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$result = pg_get_result($dbconnection);
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} else {
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pg_send_query($config['dbconnection'], $sql);
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$result = pg_get_result($config['dbconnection']);
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}
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$time = (microtime(true) - $start);
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$resultError = pg_result_error($result);
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if (($result === false) || (!empty($resultError))) {
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$backtrace = debug_backtrace();
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$error = sprintf(
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'%s (\'%s\') in <strong>%s</strong> on line %d',
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pg_result_error($result),
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$sql,
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$backtrace[0]['file'],
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$backtrace[0]['line']
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);
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db_add_database_debug_trace($sql, pg_result_error($result));
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set_error_handler('db_sql_error_handler');
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trigger_error($error);
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restore_error_handler();
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return false;
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} else {
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$status = pg_result_status($result);
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$rows = pg_affected_rows($result);
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if ($status !== 2) {
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// The query NOT IS a select
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if ($rettype == 'insert_id') {
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$result = postgresql_insert_id($dbconnection);
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} else if ($rettype == 'info') {
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$result = pg_result_status($result, PGSQL_STATUS_STRING);
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} else {
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$rows = pg_affected_rows($result);
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$result = $rows;
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}
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db_add_database_debug_trace(
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$sql,
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$result,
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$rows,
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['time' => $time]
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);
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return $result;
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} else {
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// The query IS a select.
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db_add_database_debug_trace($sql, 0, $rows, ['time' => $time]);
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while ($row = pg_fetch_assoc($result)) {
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array_push($retval, $row);
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}
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if ($cache === true) {
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$sql_cache[$sql_cache['id']][$sql] = $retval;
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}
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pg_free_result($result);
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}
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}
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}
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if (! empty($retval)) {
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return $retval;
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}
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// Return false, check with === or !==
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return false;
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}
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/**
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* Get all the rows in a table of the database.
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*
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* @param string Database table name.
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* @param string Field to order by.
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* @param string $order The type of order, by default 'ASC'.
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*
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* @return mixed A matrix with all the values in the table
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*/
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function postgresql_db_get_all_rows_in_table($table, $order_field='', $order='ASC')
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{
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if ($order_field != '') {
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return db_get_all_rows_sql('SELECT * FROM "'.$table.'" ORDER BY '.$order_field.' '.$order);
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} else {
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return db_get_all_rows_sql('SELECT * FROM "'.$table.'"');
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}
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}
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/**
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* Inserts strings into database
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*
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* The number of values should be the same or a positive integer multiple as the number of rows
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* If you have an associate array (eg. array ("row1" => "value1")) you can use this function with ($table, array_keys ($array), $array) in it's options
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* All arrays and values should have been cleaned before passing. It's not neccessary to add quotes.
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*
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* @param string Table to insert into
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* @param mixed A single value or array of values to insert (can be a multiple amount of rows)
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*
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* @return mixed False in case of error or invalid values passed. Affected rows otherwise
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*/
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function postgresql_db_process_sql_insert($table, $values)
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{
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// Empty rows or values not processed
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if (empty($values)) {
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return false;
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}
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$values = (array) $values;
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$query = sprintf('INSERT INTO "%s" ', $table);
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$fields = [];
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$values_str = '';
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$i = 1;
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$max = count($values);
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foreach ($values as $field => $value) {
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// Add the correct escaping to values
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if ($field[0] != '"') {
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$field = '"'.$field.'"';
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}
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array_push($fields, $field);
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if (is_null($value)) {
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$values_str .= 'NULL';
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} else if (is_int($value) || is_bool($value)) {
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$values_str .= sprintf('%d', $value);
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} else if (is_float($value) || is_double($value)) {
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$values_str .= sprintf('%f', $value);
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} else if (is_string($value) && (strtoupper($value) === 'NULL')) {
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$values_str .= 'NULL';
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} else {
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$values_str .= sprintf("'%s'", $value);
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}
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if ($i < $max) {
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$values_str .= ',';
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}
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$i++;
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}
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$query .= '('.implode(', ', $fields).')';
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$query .= ' VALUES ('.$values_str.')';
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return db_process_sql($query, 'insert_id');
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}
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/**
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* Escape string to set it properly to use in sql queries
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*
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* @param string String to be cleaned.
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*
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* @return string String cleaned.
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*/
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function postgresql_escape_string_sql($string)
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{
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$str = pg_escape_string($string);
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return $str;
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}
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function postgresql_encapsule_fields_with_same_name_to_instructions($field)
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{
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$return = $field;
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if (is_string($return)) {
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if ($return[0] !== '"') {
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$return = '"'.$return.'"';
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}
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}
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return $return;
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}
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/**
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* Get the first value of the first row of a table in the database from an
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* array with filter conditions.
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*
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* Example:
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<code>
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db_get_value_filter ('name', 'talert_templates',
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array ('value' => 2, 'type' => 'equal'));
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// Equivalent to:
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// SELECT name FROM talert_templates WHERE value = 2 AND type = 'equal' LIMIT 1
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db_get_value_filter ('description', 'talert_templates',
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array ('name' => 'My alert', 'type' => 'regex'), 'OR');
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// Equivalent to:
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// SELECT description FROM talert_templates WHERE name = 'My alert' OR type = 'equal' LIMIT 1
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</code>
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*
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* @param string Field name to get
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* @param string Table to retrieve the data
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* @param array Conditions to filter the element. See db_format_array_where_clause_sql()
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* for the format
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* @param string Join operator for the elements in the filter.
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*
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* @return mixed Value of first column of the first row. False if there were no row.
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*/
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function postgresql_db_get_value_filter($field, $table, $filter, $where_join='AND', $search_history_db=false)
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{
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if (! is_array($filter) || empty($filter)) {
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return false;
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}
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// Avoid limit and offset if given
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unset($filter['limit']);
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unset($filter['offset']);
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if (strstr($field, '(') === false) {
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// It is a field.
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$field = '"'.$field.'"';
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}
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$sql = sprintf(
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'SELECT %s FROM "%s" WHERE %s LIMIT 1',
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$field,
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$table,
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db_format_array_where_clause_sql($filter, $where_join)
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);
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$result = db_get_all_rows_sql($sql, $search_history_db);
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$row = array_shift($result);
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$value = array_shift($row);
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if ($value === null) {
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return false;
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}
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return $value;
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}
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|
|
|
|
/**
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|
* Formats an array of values into a SQL where clause string.
|
|
*
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|
* This function is useful to generate a WHERE clause for a SQL sentence from
|
|
* a list of values. Example code:
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|
<code>
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|
$values = array ();
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$values['name'] = "Name";
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$values['description'] = "Long description";
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$values['limit'] = $config['block_size']; // Assume it's 20
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$sql = 'SELECT * FROM table WHERE '.db_format_array_where_clause_sql ($values);
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echo $sql;
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</code>
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|
* Will return:
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* <code>
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|
* SELECT * FROM table WHERE `name` = "Name" AND `description` = "Long description" LIMIT 20
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* </code>
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*
|
|
* @param array Values to be formatted in an array indexed by the field name.
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|
* There are special parameters such as 'limit' and 'offset' that will be used
|
|
* as ORDER, LIMIT and OFFSET clauses respectively. Since LIMIT and OFFSET are
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|
* numerics, ORDER can receive a field name or a SQL function and a the ASC or
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|
* DESC clause. Examples:
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|
<code>
|
|
$values = array ();
|
|
$values['value'] = 10;
|
|
$sql = 'SELECT * FROM table WHERE '.db_format_array_where_clause_sql ($values);
|
|
// SELECT * FROM table WHERE VALUE = 10
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|
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$values = array ();
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$values['value'] = 10;
|
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$values['order'] = 'name DESC';
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$sql = 'SELECT * FROM table WHERE '.db_format_array_where_clause_sql ($values);
|
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// SELECT * FROM table WHERE VALUE = 10 ORDER BY name DESC
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|
|
</code>
|
|
* @param string Join operator. AND by default.
|
|
* @param string A prefix to be added to the string. It's useful when limit and
|
|
* offset could be given to avoid this cases:
|
|
<code>
|
|
$values = array ();
|
|
$values['limit'] = 10;
|
|
$values['offset'] = 20;
|
|
$sql = 'SELECT * FROM table WHERE '.db_format_array_where_clause_sql ($values);
|
|
// Wrong SQL: SELECT * FROM table WHERE LIMIT 10 OFFSET 20
|
|
|
|
$values = array ();
|
|
$values['limit'] = 10;
|
|
$values['offset'] = 20;
|
|
$sql = 'SELECT * FROM table WHERE '.db_format_array_where_clause_sql ($values, 'AND', 'WHERE');
|
|
// Good SQL: SELECT * FROM table LIMIT 10 OFFSET 20
|
|
|
|
$values = array ();
|
|
$values['value'] = 5;
|
|
$values['limit'] = 10;
|
|
$values['offset'] = 20;
|
|
$sql = 'SELECT * FROM table WHERE '.db_format_array_where_clause_sql ($values, 'AND', 'WHERE');
|
|
// Good SQL: SELECT * FROM table WHERE value = 5 LIMIT 10 OFFSET 20
|
|
</code>
|
|
*
|
|
* @return string Values joined into an SQL string that can fits into the WHERE
|
|
* clause of an SQL sentence.
|
|
*/
|
|
function postgresql_db_format_array_where_clause_sql($values, $join='AND', $prefix=false)
|
|
{
|
|
$fields = [];
|
|
|
|
if (! is_array($values)) {
|
|
return '';
|
|
}
|
|
|
|
$query = '';
|
|
$limit = '';
|
|
$offset = '';
|
|
$order = '';
|
|
$group = '';
|
|
if (isset($values['limit'])) {
|
|
$limit = sprintf(' LIMIT %d', $values['limit']);
|
|
unset($values['limit']);
|
|
}
|
|
|
|
if (isset($values['offset'])) {
|
|
$offset = sprintf(' OFFSET %d', $values['offset']);
|
|
unset($values['offset']);
|
|
}
|
|
|
|
if (isset($values['order'])) {
|
|
if (is_array($values['order'])) {
|
|
if (!isset($values['order']['order'])) {
|
|
$orderTexts = [];
|
|
foreach ($values['order'] as $orderItem) {
|
|
$orderTexts[] = $orderItem['field'].' '.$orderItem['order'];
|
|
}
|
|
|
|
$order = ' ORDER BY '.implode(', ', $orderTexts);
|
|
} else {
|
|
$order = sprintf(' ORDER BY %s %s', $values['order']['field'], $values['order']['order']);
|
|
}
|
|
} else {
|
|
$order = sprintf(' ORDER BY %s', $values['order']);
|
|
}
|
|
|
|
unset($values['order']);
|
|
}
|
|
|
|
if (isset($values['group'])) {
|
|
$group = sprintf(' GROUP BY %s', $values['group']);
|
|
unset($values['group']);
|
|
}
|
|
|
|
$i = 1;
|
|
$max = count($values);
|
|
foreach ($values as $field => $value) {
|
|
if (is_numeric($field)) {
|
|
// User provide the exact operation to do
|
|
$query .= $value;
|
|
|
|
if ($i < $max) {
|
|
$query .= ' '.$join.' ';
|
|
}
|
|
|
|
$i++;
|
|
continue;
|
|
}
|
|
|
|
if ($field[0] != '"') {
|
|
// If the field is as <table>.<field>, don't scape.
|
|
if (strstr($field, '.') === false) {
|
|
$field = '"'.$field.'"';
|
|
}
|
|
}
|
|
|
|
if (is_null($value)) {
|
|
$query .= sprintf('%s IS NULL', $field);
|
|
} else if (is_int($value) || is_bool($value)) {
|
|
$query .= sprintf('%s = %d', $field, $value);
|
|
} else if (is_float($value) || is_double($value)) {
|
|
$query .= sprintf('%s = %f', $field, $value);
|
|
} else if (is_array($value)) {
|
|
$query .= sprintf("%s IN ('%s')", $field, implode("', '", $value));
|
|
} else {
|
|
if ($value[0] == '>') {
|
|
$value = substr($value, 1, (strlen($value) - 1));
|
|
$query .= sprintf("%s > '%s'", $field, $value);
|
|
} else if ($value[0] == '<') {
|
|
if ($value[1] == '>') {
|
|
$value = substr($value, 2, (strlen($value) - 2));
|
|
$query .= sprintf("%s <> '%s'", $field, $value);
|
|
} else {
|
|
$value = substr($value, 1, (strlen($value) - 1));
|
|
$query .= sprintf("%s < '%s'", $field, $value);
|
|
}
|
|
} else if ($value[0] == '%') {
|
|
$query .= sprintf("%s LIKE '%s'", $field, $value);
|
|
} else {
|
|
$query .= sprintf("%s = '%s'", $field, $value);
|
|
}
|
|
}
|
|
|
|
if ($i < $max) {
|
|
$query .= ' '.$join.' ';
|
|
}
|
|
|
|
$i++;
|
|
}
|
|
|
|
return (! empty($query) ? $prefix : '').$query.$group.$order.$limit.$offset;
|
|
}
|
|
|
|
|
|
/**
|
|
* Get the first value of the first row of a table result from query.
|
|
*
|
|
* @param string SQL select statement to execute.
|
|
*
|
|
* @return the first value of the first row of a table result from query.
|
|
*/
|
|
function postgresql_db_get_value_sql($sql, $dbconnection=false, $search_history_db=false)
|
|
{
|
|
$sql .= ' LIMIT 1';
|
|
$result = postgresql_db_get_all_rows_sql($sql, $search_history_db, true, $dbconnection);
|
|
|
|
if ($result === false) {
|
|
return false;
|
|
}
|
|
|
|
$row = array_shift($result);
|
|
$value = array_shift($row);
|
|
|
|
if ($value === null) {
|
|
return false;
|
|
}
|
|
|
|
return $value;
|
|
}
|
|
|
|
|
|
/**
|
|
* Get the first row of an SQL database query.
|
|
*
|
|
* @param string SQL select statement to execute.
|
|
*
|
|
* @return mixed The first row of the result or false
|
|
*/
|
|
function postgresql_db_get_row_sql($sql, $search_history_db=false, $cache=true)
|
|
{
|
|
$sql .= ' LIMIT 1';
|
|
$result = postgresql_db_get_all_rows_sql($sql, $search_history_db, $cache);
|
|
|
|
if ($result === false) {
|
|
return false;
|
|
}
|
|
|
|
return $result[0];
|
|
}
|
|
|
|
|
|
/**
|
|
* Get the row of a table in the database using a complex filter.
|
|
*
|
|
* @param string Table to retrieve the data (warning: not cleaned)
|
|
* @param mixed Filters elements. It can be an indexed array
|
|
* (keys would be the field name and value the expected value, and would be
|
|
* joined with an AND operator) or a string, including any SQL clause (without
|
|
* the WHERE keyword). Example:
|
|
<code>
|
|
Both are similars:
|
|
db_get_row_filter ('table', array ('disabled', 0));
|
|
db_get_row_filter ('table', 'disabled = 0');
|
|
|
|
Both are similars:
|
|
db_get_row_filter ('table', array ('disabled' => 0, 'history_data' => 0), 'name, description', 'OR');
|
|
db_get_row_filter ('table', 'disabled = 0 OR history_data = 0', 'name, description');
|
|
db_get_row_filter ('table', array ('disabled' => 0, 'history_data' => 0), array ('name', 'description'), 'OR');
|
|
</code>
|
|
* @param mixed Fields of the table to retrieve. Can be an array or a coma
|
|
* separated string. All fields are retrieved by default
|
|
* @param string Condition to join the filters (AND, OR).
|
|
*
|
|
* @return mixed Array of the row or false in case of error.
|
|
*/
|
|
function postgresql_db_get_row_filter($table, $filter, $fields=false, $where_join='AND', $historydb=false, $cache=true)
|
|
{
|
|
if (empty($fields)) {
|
|
$fields = '*';
|
|
} else {
|
|
if (is_array($fields)) {
|
|
$fields = implode(',', $fields);
|
|
} else if (! is_string($fields)) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (is_array($filter)) {
|
|
$filter = db_format_array_where_clause_sql($filter, $where_join, ' WHERE ');
|
|
} else if (is_string($filter)) {
|
|
$filter = 'WHERE '.$filter;
|
|
} else {
|
|
$filter = '';
|
|
}
|
|
|
|
$sql = sprintf('SELECT %s FROM %s %s', $fields, $table, $filter);
|
|
|
|
return db_get_row_sql($sql, $historydb, $cache);
|
|
}
|
|
|
|
|
|
/**
|
|
* Get all the rows of a table in the database that matches a filter.
|
|
*
|
|
* @param string Table to retrieve the data (warning: not cleaned)
|
|
* @param mixed Filters elements. It can be an indexed array
|
|
* (keys would be the field name and value the expected value, and would be
|
|
* joined with an AND operator) or a string, including any SQL clause (without
|
|
* the WHERE keyword). Example:
|
|
* <code>
|
|
* Both are similars:
|
|
* db_get_all_rows_filter ('table', array ('disabled', 0));
|
|
* db_get_all_rows_filter ('table', 'disabled = 0');
|
|
*
|
|
* Both are similars:
|
|
* db_get_all_rows_filter ('table', array ('disabled' => 0, 'history_data' => 0), 'name', 'OR');
|
|
* db_get_all_rows_filter ('table', 'disabled = 0 OR history_data = 0', 'name');
|
|
* </code>
|
|
* @param mixed Fields of the table to retrieve. Can be an array or a coma
|
|
* separated string. All fields are retrieved by default
|
|
* @param string Condition of the filter (AND, OR).
|
|
* @param boolean $returnSQL Return a string with SQL instead the data, by default false.
|
|
*
|
|
* @return mixed Array of the row or false in case of error.
|
|
*/
|
|
function postgresql_db_get_all_rows_filter($table, $filter=[], $fields=false, $where_join='AND', $search_history_db=false, $returnSQL=false)
|
|
{
|
|
// TODO: Validate and clean fields
|
|
if (empty($fields)) {
|
|
$fields = '*';
|
|
} else if (is_array($fields)) {
|
|
$fields = implode(',', $fields);
|
|
} else if (!is_string($fields)) {
|
|
return false;
|
|
}
|
|
|
|
// TODO: Validate and clean filter options
|
|
if (is_array($filter)) {
|
|
$filter = db_format_array_where_clause_sql($filter, $where_join, ' WHERE ');
|
|
} else if (is_string($filter)) {
|
|
$filter = 'WHERE '.$filter;
|
|
} else {
|
|
$filter = '';
|
|
}
|
|
|
|
$sql = sprintf('SELECT %s FROM %s %s', $fields, $table, $filter);
|
|
|
|
if ($returnSQL) {
|
|
return $sql;
|
|
} else {
|
|
return db_get_all_rows_sql($sql, $search_history_db);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Return the count of rows of query.
|
|
*
|
|
* @param $sql
|
|
* @return integer The count of rows of query.
|
|
*/
|
|
function postgresql_db_get_num_rows($sql)
|
|
{
|
|
$result = pg_query($sql);
|
|
|
|
return pg_num_rows($result);
|
|
}
|
|
|
|
|
|
/**
|
|
* Get all the rows in a table of the databes filtering from a field.
|
|
*
|
|
* @param string Database table name.
|
|
* @param string Field of the table.
|
|
* @param string Condition the field must have to be selected.
|
|
* @param string Field to order by.
|
|
*
|
|
* @return mixed A matrix with all the values in the table that matches the condition in the field or false
|
|
*/
|
|
function postgresql_db_get_all_rows_field_filter($table, $field, $condition, $order_field='')
|
|
{
|
|
if (is_int($condition) || is_bool($condition)) {
|
|
$sql = sprintf('SELECT * FROM "%s" WHERE "%s" = %d', $table, $field, $condition);
|
|
} else if (is_float($condition) || is_double($condition)) {
|
|
$sql = sprintf('SELECT * FROM "%s" WHERE "%s" = %f', $table, $field, $condition);
|
|
} else {
|
|
$sql = sprintf("SELECT * FROM \"%s\" WHERE \"%s\" = '%s'", $table, $field, $condition);
|
|
}
|
|
|
|
if ($order_field != '') {
|
|
$sql .= sprintf(' ORDER BY %s', $order_field);
|
|
}
|
|
|
|
return db_get_all_rows_sql($sql);
|
|
}
|
|
|
|
|
|
/**
|
|
* Get all the rows in a table of the databes filtering from a field.
|
|
*
|
|
* @param string Database table name.
|
|
* @param string Field of the table.
|
|
*
|
|
* @return mixed A matrix with all the values in the table that matches the condition in the field
|
|
*/
|
|
function postgresql_db_get_all_fields_in_table($table, $field='', $condition='', $order_field='')
|
|
{
|
|
$sql = sprintf('SELECT * FROM "%s"', $table);
|
|
|
|
if ($condition != '') {
|
|
$sql .= sprintf(" WHERE \"%s\" = '%s'", $field, $condition);
|
|
}
|
|
|
|
if ($order_field != '') {
|
|
$sql .= sprintf(' ORDER BY %s', $order_field);
|
|
}
|
|
|
|
return db_get_all_rows_sql($sql);
|
|
}
|
|
|
|
|
|
/**
|
|
* Formats an array of values into a SQL string.
|
|
*
|
|
* This function is useful to generate an UPDATE SQL sentence from a list of
|
|
* values. Example code:
|
|
*
|
|
* <code>
|
|
* $values = array ();
|
|
* $values['name'] = "Name";
|
|
* $values['description'] = "Long description";
|
|
* $sql = 'UPDATE table SET '.db_format_array_to_update_sql ($values).' WHERE id=1';
|
|
* echo $sql;
|
|
* </code>
|
|
* Will return:
|
|
* <code>
|
|
* UPDATE table SET `name` = "Name", `description` = "Long description" WHERE id=1
|
|
* </code>
|
|
*
|
|
* @param array Values to be formatted in an array indexed by the field name.
|
|
*
|
|
* @return string Values joined into an SQL string that can fits into an UPDATE
|
|
* sentence.
|
|
*/
|
|
function postgresql_db_format_array_to_update_sql($values)
|
|
{
|
|
$fields = [];
|
|
|
|
foreach ($values as $field => $value) {
|
|
if (is_numeric($field)) {
|
|
array_push($fields, $value);
|
|
continue;
|
|
} else if ($field[0] == '`') {
|
|
$field = str_replace('`', '', $field);
|
|
}
|
|
|
|
if ($value === null) {
|
|
$sql = sprintf('"%s" = NULL', $field);
|
|
} else if (is_int($value) || is_bool($value)) {
|
|
$sql = sprintf('"%s" = %d', $field, $value);
|
|
} else if (is_float($value) || is_double($value)) {
|
|
$sql = sprintf('"%s" = %f', $field, $value);
|
|
} else {
|
|
// String
|
|
if (isset($value[0]) && $value[0] == '`') {
|
|
// Don't round with quotes if it references a field
|
|
$sql = sprintf('"%s" = %s', $field, $value);
|
|
} else {
|
|
$sql = sprintf("\"%s\" = '%s'", $field, $value);
|
|
}
|
|
}
|
|
|
|
array_push($fields, $sql);
|
|
}
|
|
|
|
return implode(', ', $fields);
|
|
}
|
|
|
|
|
|
/**
|
|
* Updates a database record.
|
|
*
|
|
* All values should be cleaned before passing. Quoting isn't necessary.
|
|
* Examples:
|
|
*
|
|
* <code>
|
|
* db_process_sql_update ('table', array ('field' => 1), array ('id' => $id));
|
|
* db_process_sql_update ('table', array ('field' => 1), array ('id' => $id, 'name' => $name));
|
|
* db_process_sql_update ('table', array ('field' => 1), array ('id' => $id, 'name' => $name), 'OR');
|
|
* db_process_sql_update ('table', array ('field' => 2), 'id in (1, 2, 3) OR id > 10');
|
|
* </code>
|
|
*
|
|
* @param string Table to insert into
|
|
* @param array An associative array of values to update
|
|
* @param mixed An associative array of field and value matches. Will be joined
|
|
* with operator specified by $where_join. A custom string can also be provided.
|
|
* If nothing is provided, the update will affect all rows.
|
|
* @param string When a $where parameter is given, this will work as the glue
|
|
* between the fields. "AND" operator will be use by default. Other values might
|
|
* be "OR", "AND NOT", "XOR"
|
|
*
|
|
* @return mixed False in case of error or invalid values passed. Affected rows otherwise
|
|
*/
|
|
function postgresql_db_process_sql_update($table, $values, $where=false, $where_join='AND')
|
|
{
|
|
$query = sprintf(
|
|
'UPDATE "%s" SET %s',
|
|
$table,
|
|
db_format_array_to_update_sql($values)
|
|
);
|
|
|
|
if ($where) {
|
|
if (is_string($where)) {
|
|
// No clean, the caller should make sure all input is clean, this is a raw function
|
|
$query .= ' WHERE '.$where;
|
|
} else if (is_array($where)) {
|
|
$query .= db_format_array_where_clause_sql($where, $where_join, ' WHERE ');
|
|
}
|
|
}
|
|
|
|
return db_process_sql($query);
|
|
}
|
|
|
|
|
|
/**
|
|
* Delete database records.
|
|
*
|
|
* All values should be cleaned before passing. Quoting isn't necessary.
|
|
* Examples:
|
|
*
|
|
* <code>
|
|
* db_process_sql_delete ('table', array ('id' => 1));
|
|
* // DELETE FROM table WHERE id = 1
|
|
* db_process_sql_delete ('table', array ('id' => 1, 'name' => 'example'));
|
|
* // DELETE FROM table WHERE id = 1 AND name = 'example'
|
|
* db_process_sql_delete ('table', array ('id' => 1, 'name' => 'example'), 'OR');
|
|
* // DELETE FROM table WHERE id = 1 OR name = 'example'
|
|
* db_process_sql_delete ('table', 'id in (1, 2, 3) OR id > 10');
|
|
* // DELETE FROM table WHERE id in (1, 2, 3) OR id > 10
|
|
* </code>
|
|
*
|
|
* @param string Table to insert into
|
|
* @param array An associative array of values to update
|
|
* @param mixed An associative array of field and value matches. Will be joined
|
|
* with operator specified by $where_join. A custom string can also be provided.
|
|
* If nothing is provided, the update will affect all rows.
|
|
* @param string When a $where parameter is given, this will work as the glue
|
|
* between the fields. "AND" operator will be use by default. Other values might
|
|
* be "OR", "AND NOT", "XOR"
|
|
*
|
|
* @return mixed False in case of error or invalid values passed. Affected rows otherwise
|
|
*/
|
|
function postgresql_db_process_sql_delete($table, $where, $where_join='AND')
|
|
{
|
|
if (empty($where)) {
|
|
// Should avoid any mistake that lead to deleting all data
|
|
return false;
|
|
}
|
|
|
|
$query = sprintf('DELETE FROM "%s" WHERE ', $table);
|
|
|
|
if ($where) {
|
|
if (is_string($where)) {
|
|
/*
|
|
FIXME: Should we clean the string for sanity?
|
|
Who cares if this is deleting data... */
|
|
$query .= $where;
|
|
} else if (is_array($where)) {
|
|
$query .= db_format_array_where_clause_sql($where, $where_join);
|
|
}
|
|
}
|
|
|
|
return db_process_sql($query);
|
|
}
|
|
|
|
|
|
/**
|
|
* Get row by row the DB by SQL query. The first time pass the SQL query and
|
|
* rest of times pass none for iterate in table and extract row by row, and
|
|
* the end return false.
|
|
*
|
|
* @param boolean $new Default true, if true start to query.
|
|
* @param resource $result The resource of mysql for access to query.
|
|
* @param string $sql
|
|
* @return mixed The row or false in error.
|
|
*/
|
|
function postgresql_db_get_all_row_by_steps_sql($new=true, &$result, $sql=null)
|
|
{
|
|
if ($new == true) {
|
|
$result = pg_query($sql);
|
|
}
|
|
|
|
return pg_fetch_assoc($result);
|
|
}
|
|
|
|
|
|
/**
|
|
* Starts a database transaction.
|
|
*/
|
|
function postgresql_db_process_sql_begin()
|
|
{
|
|
pg_query('BEGIN TRANSACTION');
|
|
}
|
|
|
|
|
|
/**
|
|
* Commits a database transaction.
|
|
*/
|
|
function postgresql_db_process_sql_commit()
|
|
{
|
|
pg_query('COMMIT TRANSACTION');
|
|
}
|
|
|
|
|
|
/**
|
|
* Rollbacks a database transaction.
|
|
*/
|
|
function postgresql_db_process_sql_rollback()
|
|
{
|
|
pg_query('ROLLBACK TRANSACTION');
|
|
}
|
|
|
|
|
|
/**
|
|
* Get last error.
|
|
*
|
|
* @return string Return the string error.
|
|
*/
|
|
function postgresql_db_get_last_error()
|
|
{
|
|
return pg_last_error();
|
|
}
|
|
|
|
|
|
/**
|
|
* This function gets the time from either system or sql based on preference and returns it
|
|
*
|
|
* @return integer Unix timestamp
|
|
*/
|
|
function postgresql_get_system_time()
|
|
{
|
|
global $config;
|
|
|
|
static $time = 0;
|
|
|
|
if ($time != 0) {
|
|
return $time;
|
|
}
|
|
|
|
if ($config['timesource'] == 'sql') {
|
|
$time = db_get_sql("SELECT ceil(date_part('epoch', CURRENT_TIMESTAMP));");
|
|
if (empty($time)) {
|
|
return time();
|
|
}
|
|
|
|
return $time;
|
|
} else {
|
|
return time();
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Get the type of field.
|
|
*
|
|
* @param string $table The table to examine the type of field.
|
|
* @param integer $field The field order in table.
|
|
*
|
|
* @return mixed Return the type name or False in error case.
|
|
*/
|
|
function postgresql_db_get_type_field_table($table, $field)
|
|
{
|
|
$result = pg_query('SELECT parameters FROM '.$table);
|
|
|
|
return pg_field_type($result, $field);
|
|
}
|