mirror of
https://github.com/YunoHost-Apps/spip_ynh.git
synced 2024-09-03 20:25:59 +02:00
1280 lines
36 KiB
PHP
1280 lines
36 KiB
PHP
<?php
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/* *************************************************************************\
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* SPIP, Systeme de publication pour l'internet *
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* *
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* Copyright (c) 2001-2014 *
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* Arnaud Martin, Antoine Pitrou, Philippe Riviere, Emmanuel Saint-James *
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* *
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* Ce programme est un logiciel libre distribue sous licence GNU/GPL. *
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* Pour plus de details voir le fichier COPYING.txt ou l'aide en ligne. *
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\***************************************************************************/
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/**
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* Ce fichier contient les fonctions gerant
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* les instructions SQL pour MySQL
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*
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* @package SPIP\SQL\MySQL
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*/
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if (!defined('_ECRIRE_INC_VERSION')) return;
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// fonction pour la premiere connexion a un serveur MySQL
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// http://doc.spip.org/@req_mysql_dist
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/**
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* @param $host
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* @param $port
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* @param $login
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* @param $pass
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* @param string $db
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* @param string $prefixe
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* @return array|bool
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*/
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function req_mysql_dist($host, $port, $login, $pass, $db='', $prefixe='') {
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if (!charger_php_extension('mysql')) return false;
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if ($port > 0) $host = "$host:$port";
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$link = @mysql_connect($host, $login, $pass, true);
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if (!$link) {
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spip_log('Echec mysql_connect. Erreur : ' . mysql_error(),'mysql.'._LOG_HS);
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return false;
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}
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$last = '';
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if (!$db) {
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$ok = $link;
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$db = 'spip';
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} else {
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$ok = spip_mysql_selectdb($db);
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if (defined('_MYSQL_SET_SQL_MODE')
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OR defined('_MYSQL_SQL_MODE_TEXT_NOT_NULL') // compatibilite
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)
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mysql_query($last = "set sql_mode=''");
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}
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spip_log("Connexion vers $host, base $db, prefixe $prefixe " . ($ok ? "operationnelle sur $link" : 'impossible'), _LOG_DEBUG);
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return !$ok ? false : array(
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'db' => $db,
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'last' => $last,
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'prefixe' => $prefixe ? $prefixe : $db,
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'link' => $GLOBALS['mysql_rappel_connexion'] ? $link : false,
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);
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}
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$GLOBALS['spip_mysql_functions_1'] = array(
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'alter' => 'spip_mysql_alter',
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'count' => 'spip_mysql_count',
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'countsel' => 'spip_mysql_countsel',
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'create' => 'spip_mysql_create',
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'create_base' => 'spip_mysql_create_base',
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'create_view' => 'spip_mysql_create_view',
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'date_proche' => 'spip_mysql_date_proche',
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'delete' => 'spip_mysql_delete',
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'drop_table' => 'spip_mysql_drop_table',
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'drop_view' => 'spip_mysql_drop_view',
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'errno' => 'spip_mysql_errno',
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'error' => 'spip_mysql_error',
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'explain' => 'spip_mysql_explain',
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'fetch' => 'spip_mysql_fetch',
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'seek' => 'spip_mysql_seek',
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'free' => 'spip_mysql_free',
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'hex' => 'spip_mysql_hex',
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'in' => 'spip_mysql_in',
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'insert' => 'spip_mysql_insert',
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'insertq' => 'spip_mysql_insertq',
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'insertq_multi' => 'spip_mysql_insertq_multi',
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'listdbs' => 'spip_mysql_listdbs',
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'multi' => 'spip_mysql_multi',
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'optimize' => 'spip_mysql_optimize',
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'query' => 'spip_mysql_query',
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'quote' => 'spip_mysql_quote',
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'replace' => 'spip_mysql_replace',
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'replace_multi' => 'spip_mysql_replace_multi',
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'repair' => 'spip_mysql_repair',
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'select' => 'spip_mysql_select',
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'selectdb' => 'spip_mysql_selectdb',
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'set_charset' => 'spip_mysql_set_charset',
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'get_charset' => 'spip_mysql_get_charset',
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'showbase' => 'spip_mysql_showbase',
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'showtable' => 'spip_mysql_showtable',
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'update' => 'spip_mysql_update',
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'updateq' => 'spip_mysql_updateq',
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// association de chaque nom http d'un charset aux couples MySQL
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'charsets' => array(
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'cp1250'=>array('charset'=>'cp1250','collation'=>'cp1250_general_ci'),
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'cp1251'=>array('charset'=>'cp1251','collation'=>'cp1251_general_ci'),
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'cp1256'=>array('charset'=>'cp1256','collation'=>'cp1256_general_ci'),
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'iso-8859-1'=>array('charset'=>'latin1','collation'=>'latin1_swedish_ci'),
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//'iso-8859-6'=>array('charset'=>'latin1','collation'=>'latin1_swedish_ci'),
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'iso-8859-9'=>array('charset'=>'latin5','collation'=>'latin5_turkish_ci'),
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//'iso-8859-15'=>array('charset'=>'latin1','collation'=>'latin1_swedish_ci'),
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'utf-8'=>array('charset'=>'utf8','collation'=>'utf8_general_ci'))
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);
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// http://doc.spip.org/@spip_mysql_set_charset
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/**
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* @param $charset
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* @param string $serveur
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* @param bool $requeter
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* @param bool $requeter
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* @return resource
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*/
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function spip_mysql_set_charset($charset, $serveur='',$requeter=true,$requeter=true){
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$connexion = &$GLOBALS['connexions'][$serveur ? strtolower($serveur) : 0];
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spip_log("changement de charset sql : "."SET NAMES "._q($charset), _LOG_DEBUG);
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return mysql_query($connexion['last'] = "SET NAMES "._q($charset));
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}
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// http://doc.spip.org/@spip_mysql_get_charset
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/**
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* @param array $charset
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* @param string $serveur
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* @param bool $requeter
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* @return array
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*
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*/
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function spip_mysql_get_charset($charset=array(), $serveur='',$requeter=true){
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$connexion = &$GLOBALS['connexions'][$serveur ? strtolower($serveur) : 0];
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$connexion['last'] = $c = "SHOW CHARACTER SET"
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. (!$charset ? '' : (" LIKE "._q($charset['charset'])));
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return spip_mysql_fetch(mysql_query($c), NULL, $serveur);
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}
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// obsolete, ne plus utiliser
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// http://doc.spip.org/@spip_query_db
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function spip_query_db($query, $serveur='',$requeter=true) {
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return spip_mysql_query($query, $serveur, $requeter);
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}
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// Fonction de requete generale, munie d'une trace a la demande
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// http://doc.spip.org/@spip_mysql_query
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/**
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* @param $query
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* @param string $serveur
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* @param bool $requeter
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* @return array|null|resource|string
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*
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*/
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function spip_mysql_query($query, $serveur='',$requeter=true) {
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$connexion = &$GLOBALS['connexions'][$serveur ? strtolower($serveur) : 0];
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$prefixe = $connexion['prefixe'];
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$link = $connexion['link'];
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$db = $connexion['db'];
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$query = traite_query($query, $db, $prefixe);
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// renvoyer la requete inerte si demandee
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if (!$requeter) return $query;
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if (isset($_GET['var_profile'])) {
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include_spip('public/tracer');
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$t = trace_query_start();
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} else $t = 0 ;
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$connexion['last'] = $query;
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// ajouter un debug utile dans log/mysql-slow.log ?
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$debug = '';
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if (defined('_DEBUG_SLOW_QUERIES') AND _DEBUG_SLOW_QUERIES){
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if($GLOBALS['debug']['aucasou']){
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list(,$id,, $infos) = $GLOBALS['debug']['aucasou'];
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$debug .= " BOUCLE$id @ ".$infos[0] ." | ";
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}
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$debug .= " " . $_SERVER['REQUEST_URI'].' + '.$GLOBALS['ip'];
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$debug = ' /*'.str_replace('*/','@/',$debug).' */';
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}
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$r = $link ? mysql_query($query.$debug, $link) : mysql_query($query.$debug);
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if ($e = spip_mysql_errno($serveur)) // Log de l'erreur eventuelle
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$e .= spip_mysql_error($query, $serveur); // et du fautif
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return $t ? trace_query_end($query, $t, $r, $e, $serveur) : $r;
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}
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// http://doc.spip.org/@spip_mysql_alter
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/**
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* @param $query
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* @param string $serveur
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* @param bool $requeter
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* @return array|null|resource|string
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*/
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function spip_mysql_alter($query, $serveur='',$requeter=true){
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// ici on supprime les ` entourant le nom de table pour permettre
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// la transposition du prefixe, compte tenu que les plugins ont la mauvaise habitude
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// d'utiliser ceux-ci, copie-colle de phpmyadmin
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$query = preg_replace(",^TABLE\s*`([^`]*)`,i","TABLE \\1",$query);
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return spip_mysql_query("ALTER ".$query, $serveur, $requeter); # i.e. que PG se debrouille
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}
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// http://doc.spip.org/@spip_mysql_optimize
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/**
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* @param $table
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* @param string $serveur
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* @param bool $requeter
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* @return bool
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*/
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function spip_mysql_optimize($table, $serveur='',$requeter=true){
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spip_mysql_query("OPTIMIZE TABLE ". $table);
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return true;
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}
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// http://doc.spip.org/@spip_mysql_explain
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/**
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* @param $query
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* @param string $serveur
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* @param bool $requeter
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* @return array
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*/
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function spip_mysql_explain($query, $serveur='',$requeter=true){
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if (strpos(ltrim($query), 'SELECT') !== 0) return array();
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$connexion = &$GLOBALS['connexions'][$serveur ? strtolower($serveur) : 0];
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$prefixe = $connexion['prefixe'];
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$link = $connexion['link'];
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$db = $connexion['db'];
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$query = 'EXPLAIN ' . traite_query($query, $db, $prefixe);
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$r = $link ? mysql_query($query, $link) : mysql_query($query);
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return spip_mysql_fetch($r, NULL, $serveur);
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}
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// fonction instance de sql_select, voir ses specs dans abstract.php
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// traite_query pourrait y etre fait d'avance ce serait moins cher
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// Les \n et \t sont utiles au debusqueur.
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// http://doc.spip.org/@spip_mysql_select
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/**
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* @param $select
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* @param $from
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* @param string $where
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* @param string $groupby
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* @param string $orderby
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* @param string $limit
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* @param string $having
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* @param string $serveur
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* @param bool $requeter
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* @return array|null|resource|string
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*/
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function spip_mysql_select($select, $from, $where='',
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$groupby='', $orderby='', $limit='', $having='',
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$serveur='',$requeter=true) {
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$from = (!is_array($from) ? $from : spip_mysql_select_as($from));
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$query =
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calculer_mysql_expression('SELECT', $select, ', ')
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. calculer_mysql_expression('FROM', $from, ', ')
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. calculer_mysql_expression('WHERE', $where)
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. calculer_mysql_expression('GROUP BY', $groupby, ',')
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. calculer_mysql_expression('HAVING', $having)
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. ($orderby ? ("\nORDER BY " . spip_mysql_order($orderby)) :'')
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. ($limit ? "\nLIMIT $limit" : '');
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// renvoyer la requete inerte si demandee
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if ($requeter === false) return $query;
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$r = spip_mysql_query($query, $serveur, $requeter);
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return $r ? $r : $query;
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}
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// 0+x avec un champ x commencant par des chiffres est converti par MySQL
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// en le nombre qui commence x.
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// Pas portable malheureusement, on laisse pour le moment.
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// http://doc.spip.org/@spip_mysql_order
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/**
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* @param $orderby
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* @return string
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*/
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function spip_mysql_order($orderby)
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{
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return (is_array($orderby)) ? join(", ", $orderby) : $orderby;
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}
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// http://doc.spip.org/@calculer_mysql_where
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/**
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* @param $v
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* @return array|mixed|string
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*/
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function calculer_mysql_where($v)
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{
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if (!is_array($v))
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return $v ;
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$op = array_shift($v);
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if (!($n=count($v)))
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return $op;
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else {
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$arg = calculer_mysql_where(array_shift($v));
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if ($n==1) {
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return "$op($arg)";
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} else {
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$arg2 = calculer_mysql_where(array_shift($v));
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if ($n==2) {
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return "($arg $op $arg2)";
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} else return "($arg $op ($arg2) : $v[0])";
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}
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}
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}
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// http://doc.spip.org/@calculer_mysql_expression
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/**
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* @param $expression
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* @param $v
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* @param string $join
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* @return string
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*/
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function calculer_mysql_expression($expression, $v, $join = 'AND'){
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if (empty($v))
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return '';
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$exp = "\n$expression ";
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if (!is_array($v)) {
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return $exp . $v;
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} else {
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if (strtoupper($join) === 'AND')
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return $exp . join("\n\t$join ", array_map('calculer_mysql_where', $v));
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else
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return $exp . join($join, $v);
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}
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}
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// http://doc.spip.org/@spip_mysql_select_as
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/**
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* @param $args
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* @return string
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*/
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function spip_mysql_select_as($args)
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{
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$res = '';
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foreach($args as $k => $v) {
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if (substr($k,-1)=='@') {
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// c'est une jointure qui se refere au from precedent
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// pas de virgule
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$res .= ' ' . $v ;
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}
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else {
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if (!is_numeric($k)) {
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$p = strpos($v, " ");
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if ($p)
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$v = substr($v,0,$p) . " AS `$k`" . substr($v,$p);
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else $v .= " AS `$k`";
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}
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$res .= ', ' . $v ;
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}
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}
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return substr($res,2);
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}
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//
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// Changer les noms des tables ($table_prefix)
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// Quand tous les appels SQL seront abstraits on pourra l'ameliorer
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define('_SQL_PREFIXE_TABLE', '/([,\s])spip_/S');
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// http://doc.spip.org/@traite_query
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/**
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* @param $query
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* @param string $db
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* @param string $prefixe
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* @return array|null|string
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*/
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function traite_query($query, $db='', $prefixe='') {
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if ($GLOBALS['mysql_rappel_nom_base'] AND $db)
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$pref = '`'. $db.'`.';
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else $pref = '';
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if ($prefixe)
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$pref .= $prefixe . "_";
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if (!preg_match('/\s(SET|VALUES|WHERE|DATABASE)\s/i', $query, $regs)) {
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$suite ='';
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} else {
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$suite = strstr($query, $regs[0]);
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$query = substr($query, 0, -strlen($suite));
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// propager le prefixe en cas de requete imbriquee
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// il faut alors echapper les chaine avant de le faire, pour ne pas risquer de
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// modifier une requete qui est en fait juste du texte dans un champ
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if (stripos($suite,"SELECT")!==false) {
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list($suite,$textes) = query_echappe_textes($suite);
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if (preg_match('/^(.*?)([(]\s*SELECT\b.*)$/si', $suite, $r))
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$suite = $r[1] . traite_query($r[2], $db, $prefixe);
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$suite = query_reinjecte_textes($suite, $textes);
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}
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}
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$r = preg_replace(_SQL_PREFIXE_TABLE, '\1'.$pref, $query) . $suite;
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#spip_log("traite_query: " . substr($r,0, 50) . ".... $db, $prefixe", _LOG_DEBUG);
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return $r;
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}
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/**
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* Selectionne une base de donnees
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*
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* @param string $nom
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* Nom de la base a utiliser
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*
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* @return bool
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* True cas de success.
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* False en cas d'erreur.
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**/
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function spip_mysql_selectdb($db) {
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$ok = mysql_select_db($db);
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if (!$ok)
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spip_log('Echec mysql_selectdb. Erreur : ' . mysql_error(),'mysql.'._LOG_CRITIQUE);
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return $ok;
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}
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/**
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* Retourne les bases de donnees accessibles
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*
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* Retourne un tableau du nom de toutes les bases de donnees
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* accessibles avec les permissions de l'utilisateur SQL
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* de cette connexion.
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* Attention on n'a pas toujours les droits !
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*
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* @param string $serveur
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* Nom du connecteur
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* @param bool $requeter
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* Inutilise
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* @return array
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* Liste de noms de bases de donnees
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**/
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function spip_mysql_listdbs($serveur='',$requeter=true) {
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$dbs = array();
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if ($res = spip_mysql_query("SHOW DATABASES")){
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while($row = mysql_fetch_assoc($res))
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$dbs[] = $row['Database'];
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}
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return $dbs;
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}
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// Fonction de creation d'une table SQL nommee $nom
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// a partir de 2 tableaux PHP :
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// champs: champ => type
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// cles: type-de-cle => champ(s)
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// si $autoinc, c'est une auto-increment (i.e. serial) sur la Primary Key
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// Le nom des caches doit etre inferieur a 64 caracteres
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// http://doc.spip.org/@spip_mysql_create
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/**
|
|
* @param $nom
|
|
* @param $champs
|
|
* @param $cles
|
|
* @param bool $autoinc
|
|
* @param bool $temporary
|
|
* @param string $serveur
|
|
* @param bool $requeter
|
|
* @return array|null|resource|string
|
|
*/
|
|
function spip_mysql_create($nom, $champs, $cles, $autoinc=false, $temporary=false, $serveur='',$requeter=true) {
|
|
|
|
$query = ''; $keys = ''; $s = ''; $p='';
|
|
|
|
// certains plugins declarent les tables (permet leur inclusion dans le dump)
|
|
// sans les renseigner (laisse le compilo recuperer la description)
|
|
if (!is_array($champs) || !is_array($cles))
|
|
return;
|
|
|
|
$res = spip_mysql_query("SELECT version() as v");
|
|
if ($row = mysql_fetch_array($res)
|
|
&& (version_compare($row['v'],'5.0','>=')))
|
|
spip_mysql_query("SET sql_mode=''");
|
|
|
|
foreach($cles as $k => $v) {
|
|
$keys .= "$s\n\t\t$k ($v)";
|
|
if ($k == "PRIMARY KEY")
|
|
$p = $v;
|
|
$s = ",";
|
|
}
|
|
$s = '';
|
|
|
|
$character_set = "";
|
|
if (@$GLOBALS['meta']['charset_sql_base'])
|
|
$character_set .= " CHARACTER SET ".$GLOBALS['meta']['charset_sql_base'];
|
|
if (@$GLOBALS['meta']['charset_collation_sql_base'])
|
|
$character_set .= " COLLATE ".$GLOBALS['meta']['charset_collation_sql_base'];
|
|
|
|
foreach($champs as $k => $v) {
|
|
$v = _mysql_remplacements_definitions_table($v);
|
|
if (preg_match(',([a-z]*\s*(\(\s*[0-9]*\s*\))?(\s*binary)?),i',$v,$defs)){
|
|
if (preg_match(',(char|text),i',$defs[1])
|
|
AND !preg_match(',(binary|CHARACTER|COLLATE),i',$v) ){
|
|
$v = $defs[1] . $character_set . ' ' . substr($v,strlen($defs[1]));
|
|
}
|
|
}
|
|
|
|
$query .= "$s\n\t\t$k $v"
|
|
. (($autoinc && ($p == $k) && preg_match(',\b(big|small|medium)?int\b,i', $v))
|
|
? " auto_increment"
|
|
: ''
|
|
);
|
|
$s = ",";
|
|
}
|
|
$temporary = $temporary ? 'TEMPORARY':'';
|
|
$q = "CREATE $temporary TABLE IF NOT EXISTS $nom ($query" . ($keys ? ",$keys" : '') . ")".
|
|
($character_set?" DEFAULT $character_set":"")
|
|
."\n";
|
|
return spip_mysql_query($q, $serveur);
|
|
}
|
|
|
|
|
|
/**
|
|
* Adapte pour Mysql la declaration SQL d'une colonne d'une table
|
|
*
|
|
* @param string $query
|
|
* Definition SQL d'un champ de table
|
|
* @return string
|
|
* Definition SQL adaptee pour MySQL d'un champ de table
|
|
*/
|
|
function _mysql_remplacements_definitions_table($query){
|
|
// quelques remplacements
|
|
$num = "(\s*\([0-9]*\))?";
|
|
$enum = "(\s*\([^\)]*\))?";
|
|
|
|
$remplace = array(
|
|
'/VARCHAR(\s*[^\s\(])/is' => 'VARCHAR(255)\\1',
|
|
);
|
|
|
|
$query = preg_replace(array_keys($remplace), $remplace, $query);
|
|
return $query;
|
|
}
|
|
|
|
/**
|
|
* @param $nom
|
|
* @param string $serveur
|
|
* @param bool $requeter
|
|
* @return array|null|resource|string
|
|
*/
|
|
function spip_mysql_create_base($nom, $serveur='',$requeter=true) {
|
|
return spip_mysql_query("CREATE DATABASE `$nom`", $serveur, $requeter);
|
|
}
|
|
|
|
// Fonction de creation d'une vue SQL nommee $nom
|
|
// http://doc.spip.org/@spip_mysql_create_view
|
|
/**
|
|
* @param $nom
|
|
* @param $query_select
|
|
* @param string $serveur
|
|
* @param bool $requeter
|
|
* @return array|bool|null|resource|string
|
|
*/
|
|
function spip_mysql_create_view($nom, $query_select, $serveur='',$requeter=true) {
|
|
if (!$query_select) return false;
|
|
// vue deja presente
|
|
if (sql_showtable($nom, false, $serveur)) {
|
|
spip_log("Echec creation d'une vue sql ($nom) car celle-ci existe deja (serveur:$serveur)", _LOG_ERREUR);
|
|
return false;
|
|
}
|
|
|
|
$query = "CREATE VIEW $nom AS ". $query_select;
|
|
return spip_mysql_query($query, $serveur, $requeter);
|
|
}
|
|
|
|
|
|
// http://doc.spip.org/@spip_mysql_drop_table
|
|
/**
|
|
* @param $table
|
|
* @param string $exist
|
|
* @param string $serveur
|
|
* @param bool $requeter
|
|
* @return array|null|resource|string
|
|
*/
|
|
function spip_mysql_drop_table($table, $exist='', $serveur='',$requeter=true)
|
|
{
|
|
if ($exist) $exist =" IF EXISTS";
|
|
return spip_mysql_query("DROP TABLE$exist $table", $serveur, $requeter);
|
|
}
|
|
|
|
// supprime une vue
|
|
// http://doc.spip.org/@spip_mysql_drop_view
|
|
/**
|
|
* @param $view
|
|
* @param string $exist
|
|
* @param string $serveur
|
|
* @param bool $requeter
|
|
* @return array|null|resource|string
|
|
*/
|
|
function spip_mysql_drop_view($view, $exist='', $serveur='',$requeter=true) {
|
|
if ($exist) $exist =" IF EXISTS";
|
|
return spip_mysql_query("DROP VIEW$exist $view", $serveur, $requeter);
|
|
}
|
|
|
|
/**
|
|
* Retourne une ressource de la liste des tables de la base de données
|
|
*
|
|
* @param string $match
|
|
* Filtre sur tables à récupérer
|
|
* @param string $serveur
|
|
* Connecteur de la base
|
|
* @param bool $requeter
|
|
* true pour éxecuter la requête
|
|
* false pour retourner le texte de la requête.
|
|
* @return ressource
|
|
* Ressource à utiliser avec sql_fetch()
|
|
**/
|
|
function spip_mysql_showbase($match, $serveur='',$requeter=true)
|
|
{
|
|
return spip_mysql_query("SHOW TABLES LIKE " . _q($match), $serveur, $requeter);
|
|
}
|
|
|
|
// http://doc.spip.org/@spip_mysql_repair
|
|
/**
|
|
* @param $table
|
|
* @param string $serveur
|
|
* @param bool $requeter
|
|
* @return array|null|resource|string
|
|
*/
|
|
function spip_mysql_repair($table, $serveur='',$requeter=true)
|
|
{
|
|
return spip_mysql_query("REPAIR TABLE `$table`", $serveur, $requeter);
|
|
}
|
|
|
|
// Recupere la definition d'une table ou d'une vue MySQL
|
|
// colonnes, indexes, etc.
|
|
// au meme format que la definition des tables de SPIP
|
|
// http://doc.spip.org/@spip_mysql_showtable
|
|
/**
|
|
* @param $nom_table
|
|
* @param string $serveur
|
|
* @param bool $requeter
|
|
* @return array|null|resource|string
|
|
*/
|
|
function spip_mysql_showtable($nom_table, $serveur='',$requeter=true)
|
|
{
|
|
$s = spip_mysql_query("SHOW CREATE TABLE `$nom_table`", $serveur, $requeter);
|
|
if (!$s) return '';
|
|
if (!$requeter) return $s;
|
|
|
|
list(,$a) = mysql_fetch_array($s ,MYSQL_NUM);
|
|
if (preg_match("/^[^(),]*\((([^()]*\([^()]*\)[^()]*)*)\)[^()]*$/", $a, $r)){
|
|
$desc = $r[1];
|
|
// extraction d'une KEY éventuelle en prenant garde de ne pas
|
|
// relever un champ dont le nom contient KEY (ex. ID_WHISKEY)
|
|
if (preg_match("/^(.*?),([^,]*KEY[ (].*)$/s", $desc, $r)) {
|
|
$namedkeys = $r[2];
|
|
$desc = $r[1];
|
|
}
|
|
else
|
|
$namedkeys = "";
|
|
|
|
$fields = array();
|
|
foreach(preg_split("/,\s*`/",$desc) as $v) {
|
|
preg_match("/^\s*`?([^`]*)`\s*(.*)/",$v,$r);
|
|
$fields[strtolower($r[1])] = $r[2];
|
|
}
|
|
$keys = array();
|
|
|
|
foreach(preg_split('/\)\s*,?/',$namedkeys) as $v) {
|
|
if (preg_match("/^\s*([^(]*)\((.*)$/",$v,$r)) {
|
|
$k = str_replace("`", '', trim($r[1]));
|
|
$t = strtolower(str_replace("`", '', $r[2]));
|
|
if ($k && !isset($keys[$k])) $keys[$k] = $t; else $keys[] = $t;
|
|
}
|
|
}
|
|
spip_mysql_free($s);
|
|
return array('field' => $fields, 'key' => $keys);
|
|
}
|
|
|
|
$res = spip_mysql_query("SHOW COLUMNS FROM `$nom_table`", $serveur);
|
|
if($res) {
|
|
$nfields = array();
|
|
$nkeys = array();
|
|
while($val = spip_mysql_fetch($res)) {
|
|
$nfields[$val["Field"]] = $val['Type'];
|
|
if($val['Null']=='NO') {
|
|
$nfields[$val["Field"]] .= ' NOT NULL';
|
|
}
|
|
if($val['Default'] === '0' || $val['Default']) {
|
|
if(preg_match('/[A-Z_]/',$val['Default'])) {
|
|
$nfields[$val["Field"]] .= ' DEFAULT '.$val['Default'];
|
|
} else {
|
|
$nfields[$val["Field"]] .= " DEFAULT '".$val['Default']."'";
|
|
}
|
|
}
|
|
if($val['Extra'])
|
|
$nfields[$val["Field"]] .= ' '.$val['Extra'];
|
|
if($val['Key'] == 'PRI') {
|
|
$nkeys['PRIMARY KEY'] = $val["Field"];
|
|
} else if($val['Key'] == 'MUL') {
|
|
$nkeys['KEY '.$val["Field"]] = $val["Field"];
|
|
} else if($val['Key'] == 'UNI') {
|
|
$nkeys['UNIQUE KEY '.$val["Field"]] = $val["Field"];
|
|
}
|
|
}
|
|
spip_mysql_free($res);
|
|
return array('field' => $nfields, 'key' => $nkeys);
|
|
}
|
|
return "";
|
|
}
|
|
|
|
//
|
|
// Recuperation des resultats
|
|
//
|
|
|
|
// http://doc.spip.org/@spip_mysql_fetch
|
|
/**
|
|
* @param $r
|
|
* @param string $t
|
|
* @param string $serveur
|
|
* @param bool $requeter
|
|
* @return array
|
|
*/
|
|
function spip_mysql_fetch($r, $t='', $serveur='',$requeter=true) {
|
|
if (!$t) $t = MYSQL_ASSOC;
|
|
if ($r) return mysql_fetch_array($r, $t);
|
|
}
|
|
|
|
function spip_mysql_seek($r, $row_number, $serveur='',$requeter=true) {
|
|
if ($r and mysql_num_rows($r)) return mysql_data_seek($r,$row_number);
|
|
}
|
|
|
|
|
|
// http://doc.spip.org/@spip_mysql_countsel
|
|
/**
|
|
|
|
* @param array $from
|
|
* @param array $where
|
|
* @param string $groupby
|
|
* @param array $having
|
|
* @param string $serveur
|
|
* @param bool $requeter
|
|
* @return array|int|null|resource|string
|
|
*
|
|
*/
|
|
function spip_mysql_countsel($from = array(), $where = array(),
|
|
$groupby = '', $having = array(), $serveur='',$requeter=true)
|
|
{
|
|
$c = !$groupby ? '*' : ('DISTINCT ' . (is_string($groupby) ? $groupby : join(',', $groupby)));
|
|
|
|
$r = spip_mysql_select("COUNT($c)", $from, $where,'', '', '', $having, $serveur, $requeter);
|
|
|
|
if (!$requeter) return $r;
|
|
if (!is_resource($r)) return 0;
|
|
list($c) = mysql_fetch_array($r, MYSQL_NUM);
|
|
mysql_free_result($r);
|
|
return $c;
|
|
}
|
|
|
|
// Bien specifier le serveur auquel on s'adresse,
|
|
// mais a l'install la globale n'est pas encore completement definie
|
|
// http://doc.spip.org/@spip_mysql_error
|
|
/**
|
|
* @param string $query
|
|
* @param string $serveur
|
|
* @param bool $requeter
|
|
* @return string
|
|
*/
|
|
function spip_mysql_error($query='', $serveur='',$requeter=true) {
|
|
$link = $GLOBALS['connexions'][$serveur ? strtolower($serveur) : 0]['link'];
|
|
$s = $link ? mysql_error($link) : mysql_error();
|
|
if ($s) spip_log("$s - $query", 'mysql.'._LOG_ERREUR);
|
|
return $s;
|
|
}
|
|
|
|
// A transposer dans les portages
|
|
// http://doc.spip.org/@spip_mysql_errno
|
|
/**
|
|
* @param string $serveur
|
|
* @param bool $requeter
|
|
* @return int
|
|
*/
|
|
function spip_mysql_errno($serveur='',$requeter=true) {
|
|
$link = $GLOBALS['connexions'][$serveur ? $serveur : 0]['link'];
|
|
$s = $link ? mysql_errno($link) : mysql_errno();
|
|
// 2006 MySQL server has gone away
|
|
// 2013 Lost connection to MySQL server during query
|
|
if (in_array($s, array(2006,2013)))
|
|
define('spip_interdire_cache', true);
|
|
if ($s) spip_log("Erreur mysql $s", _LOG_ERREUR);
|
|
return $s;
|
|
}
|
|
|
|
// Interface de abstract_sql
|
|
// http://doc.spip.org/@spip_mysql_count
|
|
/**
|
|
* @param $r
|
|
* @param string $serveur
|
|
* @param bool $requeter
|
|
* @return int
|
|
*/
|
|
function spip_mysql_count($r, $serveur='',$requeter=true) {
|
|
if ($r) return mysql_num_rows($r);
|
|
}
|
|
|
|
|
|
// http://doc.spip.org/@spip_mysql_free
|
|
/**
|
|
* @param $r
|
|
* @param string $serveur
|
|
* @param bool $requeter
|
|
* @return bool
|
|
*/
|
|
function spip_mysql_free($r, $serveur='',$requeter=true) {
|
|
return (is_resource($r)?mysql_free_result($r):false);
|
|
}
|
|
|
|
// http://doc.spip.org/@spip_mysql_insert
|
|
/**
|
|
* @param $table
|
|
* @param $champs
|
|
* @param $valeurs
|
|
* @param string $desc
|
|
* @param string $serveur
|
|
* @param bool $requeter
|
|
* @return int|string
|
|
*/
|
|
function spip_mysql_insert($table, $champs, $valeurs, $desc='', $serveur='',$requeter=true) {
|
|
|
|
$connexion = &$GLOBALS['connexions'][$serveur ? strtolower($serveur) : 0];
|
|
$prefixe = $connexion['prefixe'];
|
|
$link = $connexion['link'];
|
|
$db = $connexion['db'];
|
|
|
|
if ($prefixe) $table = preg_replace('/^spip/', $prefixe, $table);
|
|
|
|
$query ="INSERT INTO $table $champs VALUES $valeurs";
|
|
if (!$requeter) return $query;
|
|
|
|
if (isset($_GET['var_profile'])) {
|
|
include_spip('public/tracer');
|
|
$t = trace_query_start();
|
|
} else $t = 0 ;
|
|
|
|
$connexion['last'] = $query;
|
|
#spip_log($query, 'mysql.'._LOG_DEBUG);
|
|
if (mysql_query($query, $link))
|
|
$r = mysql_insert_id($link);
|
|
else {
|
|
if ($e = spip_mysql_errno($serveur)) // Log de l'erreur eventuelle
|
|
$e .= spip_mysql_error($query, $serveur); // et du fautif
|
|
}
|
|
return $t ? trace_query_end($query, $t, $r, $e, $serveur) : $r;
|
|
|
|
// return $r ? $r : (($r===0) ? -1 : 0); pb avec le multi-base.
|
|
}
|
|
|
|
// http://doc.spip.org/@spip_mysql_insertq
|
|
/**
|
|
* @param $table
|
|
* @param array $couples
|
|
* @param array $desc
|
|
* @param string $serveur
|
|
* @param bool $requeter
|
|
* @return int|string
|
|
*/
|
|
function spip_mysql_insertq($table, $couples=array(), $desc=array(), $serveur='',$requeter=true) {
|
|
|
|
if (!$desc) $desc = description_table($table, $serveur);
|
|
if (!$desc) $couples = array();
|
|
$fields = isset($desc['field'])?$desc['field']:array();
|
|
|
|
foreach ($couples as $champ => $val) {
|
|
$couples[$champ]= spip_mysql_cite($val, $fields[$champ]);
|
|
}
|
|
|
|
return spip_mysql_insert($table, "(".join(',',array_keys($couples)).")", "(".join(',', $couples).")", $desc, $serveur, $requeter);
|
|
}
|
|
|
|
|
|
// http://doc.spip.org/@spip_mysql_insertq_multi
|
|
/**
|
|
* @param $table
|
|
* @param array $tab_couples
|
|
* @param array $desc
|
|
* @param string $serveur
|
|
* @param bool $requeter
|
|
* @return bool|int|string
|
|
*/
|
|
function spip_mysql_insertq_multi($table, $tab_couples=array(), $desc=array(), $serveur='',$requeter=true) {
|
|
|
|
if (!$desc) $desc = description_table($table, $serveur);
|
|
if (!$desc) $tab_couples = array();
|
|
$fields = isset($desc['field'])?$desc['field']:array();
|
|
|
|
$cles = "(" . join(',',array_keys(reset($tab_couples))) . ')';
|
|
$valeurs = array();
|
|
$r = false;
|
|
|
|
// Quoter et Inserer par groupes de 100 max pour eviter un debordement de pile
|
|
foreach ($tab_couples as $couples) {
|
|
foreach ($couples as $champ => $val){
|
|
$couples[$champ]= spip_mysql_cite($val, $fields[$champ]);
|
|
}
|
|
$valeurs[] = '(' .join(',', $couples) . ')';
|
|
if (count($valeurs)>=100){
|
|
$r = spip_mysql_insert($table, $cles, join(', ', $valeurs), $desc, $serveur, $requeter);
|
|
$valeurs = array();
|
|
}
|
|
}
|
|
if (count($valeurs))
|
|
$r = spip_mysql_insert($table, $cles, join(', ', $valeurs), $desc, $serveur, $requeter);
|
|
|
|
return $r; // dans le cas d'une table auto_increment, le dernier insert_id
|
|
}
|
|
|
|
// http://doc.spip.org/@spip_mysql_update
|
|
/**
|
|
* @param $table
|
|
* @param $champs
|
|
* @param string $where
|
|
* @param string $desc
|
|
* @param string $serveur
|
|
* @param bool $requeter
|
|
* @return array|null|resource|string
|
|
*/
|
|
function spip_mysql_update($table, $champs, $where='', $desc='', $serveur='',$requeter=true) {
|
|
$set = array();
|
|
foreach ($champs as $champ => $val)
|
|
$set[] = $champ . "=$val";
|
|
if (!empty($set))
|
|
return spip_mysql_query(
|
|
calculer_mysql_expression('UPDATE', $table, ',')
|
|
. calculer_mysql_expression('SET', $set, ',')
|
|
. calculer_mysql_expression('WHERE', $where),
|
|
$serveur, $requeter);
|
|
}
|
|
|
|
// idem, mais les valeurs sont des constantes a mettre entre apostrophes
|
|
// sauf les expressions de date lorsqu'il s'agit de fonctions SQL (NOW etc)
|
|
// http://doc.spip.org/@spip_mysql_updateq
|
|
/**
|
|
* @param $table
|
|
* @param $champs
|
|
* @param string $where
|
|
* @param array $desc
|
|
* @param string $serveur
|
|
* @param bool $requeter
|
|
* @return array|null|resource|string
|
|
*/
|
|
function spip_mysql_updateq($table, $champs, $where='', $desc=array(), $serveur='',$requeter=true) {
|
|
|
|
if (!$champs) return;
|
|
if (!$desc) $desc = description_table($table, $serveur);
|
|
if (!$desc) $champs = array(); else $fields = $desc['field'];
|
|
$set = array();
|
|
foreach ($champs as $champ => $val) {
|
|
$set[] = $champ . '=' . spip_mysql_cite($val, $fields[$champ]);
|
|
}
|
|
return spip_mysql_query(
|
|
calculer_mysql_expression('UPDATE', $table, ',')
|
|
. calculer_mysql_expression('SET', $set, ',')
|
|
. calculer_mysql_expression('WHERE', $where),
|
|
$serveur, $requeter);
|
|
}
|
|
|
|
// http://doc.spip.org/@spip_mysql_delete
|
|
/**
|
|
* @param $table
|
|
* @param string $where
|
|
* @param string $serveur
|
|
* @param bool $requeter
|
|
* @return array|bool|int|null|resource|string
|
|
*/
|
|
function spip_mysql_delete($table, $where='', $serveur='',$requeter=true) {
|
|
$res = spip_mysql_query(
|
|
calculer_mysql_expression('DELETE FROM', $table, ',')
|
|
. calculer_mysql_expression('WHERE', $where),
|
|
$serveur, $requeter);
|
|
if (!$requeter) return $res;
|
|
if ($res){
|
|
$connexion = &$GLOBALS['connexions'][$serveur ? $serveur : 0];
|
|
$link = $connexion['link'];
|
|
return $link ? mysql_affected_rows($link) : mysql_affected_rows();
|
|
}
|
|
else
|
|
return false;
|
|
}
|
|
|
|
// http://doc.spip.org/@spip_mysql_replace
|
|
/**
|
|
* @param $table
|
|
* @param $couples
|
|
* @param array $desc
|
|
* @param string $serveur
|
|
* @param bool $requeter
|
|
* @return array|null|resource|string
|
|
*/
|
|
function spip_mysql_replace($table, $couples, $desc=array(), $serveur='',$requeter=true) {
|
|
return spip_mysql_query("REPLACE $table (" . join(',',array_keys($couples)) . ') VALUES (' .join(',',array_map('_q', $couples)) . ')', $serveur, $requeter);
|
|
}
|
|
|
|
|
|
// http://doc.spip.org/@spip_mysql_replace_multi
|
|
/**
|
|
* @param $table
|
|
* @param $tab_couples
|
|
* @param array $desc
|
|
* @param string $serveur
|
|
* @param bool $requeter
|
|
* @return array|null|resource|string
|
|
*/
|
|
function spip_mysql_replace_multi($table, $tab_couples, $desc=array(), $serveur='',$requeter=true) {
|
|
$cles = "(" . join(',',array_keys($tab_couples[0])). ')';
|
|
$valeurs = array();
|
|
foreach ($tab_couples as $couples) {
|
|
$valeurs[] = '(' .join(',',array_map('_q', $couples)) . ')';
|
|
}
|
|
$valeurs = implode(', ',$valeurs);
|
|
return spip_mysql_query("REPLACE $table $cles VALUES $valeurs", $serveur, $requeter);
|
|
}
|
|
|
|
|
|
// http://doc.spip.org/@spip_mysql_multi
|
|
/**
|
|
|
|
* @param $objet
|
|
* @param $lang
|
|
* @return string
|
|
*
|
|
*/
|
|
|
|
function spip_mysql_multi ($objet, $lang) {
|
|
$lengthlang = strlen("[$lang]");
|
|
$posmulti = "INSTR(".$objet.", '<multi>')";
|
|
$posfinmulti = "INSTR(".$objet.", '</multi>')";
|
|
$debutchaine = "LEFT(".$objet.", $posmulti-1)";
|
|
$finchaine = "RIGHT(".$objet.", CHAR_LENGTH(".$objet.") -(7+$posfinmulti))";
|
|
$chainemulti = "TRIM(SUBSTRING(".$objet.", $posmulti+7, $posfinmulti -(7+$posmulti)))";
|
|
$poslang = "INSTR($chainemulti,'[".$lang."]')";
|
|
$poslang = "IF($poslang=0,INSTR($chainemulti,']')+1,$poslang+$lengthlang)";
|
|
$chainelang = "TRIM(SUBSTRING(".$objet.", $posmulti+7+$poslang-1,$posfinmulti -($posmulti+7+$poslang-1) ))";
|
|
$posfinlang = "INSTR(".$chainelang.", '[')";
|
|
$chainelang = "IF($posfinlang>0,LEFT($chainelang,$posfinlang-1),$chainelang)";
|
|
//$chainelang = "LEFT($chainelang,$posfinlang-1)";
|
|
$retour = "(TRIM(IF($posmulti = 0 , ".
|
|
" TRIM(".$objet."), ".
|
|
" CONCAT( ".
|
|
" $debutchaine, ".
|
|
" IF( ".
|
|
" $poslang = 0, ".
|
|
" $chainemulti, ".
|
|
" $chainelang".
|
|
" ), ".
|
|
" $finchaine".
|
|
" ) ".
|
|
"))) AS multi";
|
|
|
|
return $retour;
|
|
}
|
|
|
|
// http://doc.spip.org/@spip_mysql_hex
|
|
/**
|
|
* @param $v
|
|
* @return string
|
|
*/
|
|
function spip_mysql_hex($v)
|
|
{
|
|
return "0x" . $v;
|
|
}
|
|
|
|
/**
|
|
* @param $v
|
|
* @param string $type
|
|
* @return array|int|string
|
|
*/
|
|
function spip_mysql_quote($v, $type='') {
|
|
if ($type) {
|
|
if (!is_array($v))
|
|
return spip_mysql_cite($v,$type);
|
|
// si c'est un tableau, le parcourir en propageant le type
|
|
foreach($v as $k=>$r)
|
|
$v[$k] = spip_mysql_quote($r, $type);
|
|
return $v;
|
|
}
|
|
// si on ne connait pas le type, s'en remettre a _q :
|
|
// on ne fera pas mieux
|
|
else
|
|
return _q($v);
|
|
}
|
|
|
|
/**
|
|
* @param $champ
|
|
* @param $interval
|
|
* @param $unite
|
|
* @return string
|
|
*/
|
|
function spip_mysql_date_proche($champ, $interval, $unite)
|
|
{
|
|
return '('
|
|
. $champ
|
|
. (($interval <= 0) ? '>' : '<')
|
|
. (($interval <= 0) ? 'DATE_SUB' : 'DATE_ADD')
|
|
. '('
|
|
. sql_quote(date('Y-m-d H:i:s'))
|
|
. ', INTERVAL '
|
|
. (($interval > 0) ? $interval : (0-$interval))
|
|
. ' '
|
|
. $unite
|
|
. '))';
|
|
}
|
|
|
|
//
|
|
// IN (...) est limite a 255 elements, d'ou cette fonction assistante
|
|
//
|
|
// http://doc.spip.org/@spip_mysql_in
|
|
/**
|
|
* @param $val
|
|
* @param $valeurs
|
|
* @param string $not
|
|
* @param string $serveur
|
|
* @param bool $requeter
|
|
* @return string
|
|
*/
|
|
function spip_mysql_in($val, $valeurs, $not='', $serveur='',$requeter=true) {
|
|
$n = $i = 0;
|
|
$in_sql ="";
|
|
while ($n = strpos($valeurs, ',', $n+1)) {
|
|
if ((++$i) >= 255) {
|
|
$in_sql .= "($val $not IN (" .
|
|
substr($valeurs, 0, $n) .
|
|
"))\n" .
|
|
($not ? "AND\t" : "OR\t");
|
|
$valeurs = substr($valeurs, $n+1);
|
|
$i = $n = 0;
|
|
}
|
|
}
|
|
$in_sql .= "($val $not IN ($valeurs))";
|
|
|
|
return "($in_sql)";
|
|
}
|
|
|
|
// pour compatibilite. Ne plus utiliser.
|
|
// http://doc.spip.org/@calcul_mysql_in
|
|
/**
|
|
* @param $val
|
|
* @param $valeurs
|
|
* @param string $not
|
|
* @return string
|
|
*/
|
|
function calcul_mysql_in($val, $valeurs, $not='') {
|
|
if (is_array($valeurs))
|
|
$valeurs = join(',', array_map('_q', $valeurs));
|
|
elseif ($valeurs[0]===',') $valeurs = substr($valeurs,1);
|
|
if (!strlen(trim($valeurs))) return ($not ? "0=0" : '0=1');
|
|
return spip_mysql_in($val, $valeurs, $not);
|
|
}
|
|
|
|
// http://doc.spip.org/@spip_mysql_cite
|
|
/**
|
|
* @param $v
|
|
* @param $type
|
|
* @return int|string
|
|
*/
|
|
function spip_mysql_cite($v, $type) {
|
|
if(is_null($v)
|
|
AND stripos($type,"NOT NULL")===false) return 'NULL'; // null php se traduit en NULL SQL
|
|
if (sql_test_date($type) AND preg_match('/^\w+\(/', $v))
|
|
return $v;
|
|
if (sql_test_int($type)) {
|
|
if (is_numeric($v) OR (ctype_xdigit(substr($v,2))
|
|
AND $v[0]=='0' AND $v[1]=='x'))
|
|
return $v;
|
|
// si pas numerique, forcer le intval
|
|
else
|
|
return intval($v);
|
|
}
|
|
return ("'" . addslashes($v) . "'");
|
|
}
|
|
|
|
// Ces deux fonctions n'ont pas d'equivalent exact PostGres
|
|
// et ne sont la que pour compatibilite avec les extensions de SPIP < 1.9.3
|
|
|
|
//
|
|
// Poser un verrou local a un SPIP donne
|
|
// Changer de nom toutes les heures en cas de blocage MySQL (ca arrive)
|
|
//
|
|
// http://doc.spip.org/@spip_get_lock
|
|
/**
|
|
* @param $nom
|
|
* @param int $timeout
|
|
* @return mixed
|
|
*/
|
|
function spip_get_lock($nom, $timeout = 0) {
|
|
|
|
define('_LOCK_TIME', intval(time()/3600-316982));
|
|
|
|
$connexion = &$GLOBALS['connexions'][0];
|
|
$bd = $connexion['db'];
|
|
$prefixe = $connexion['prefixe'];
|
|
$nom = "$bd:$prefixe:$nom" . _LOCK_TIME;
|
|
|
|
$connexion['last'] = $q = "SELECT GET_LOCK(" . _q($nom) . ", $timeout) AS n";
|
|
$q = @sql_fetch(mysql_query($q));
|
|
if (!$q) spip_log("pas de lock sql pour $nom", _LOG_ERREUR);
|
|
return $q['n'];
|
|
}
|
|
|
|
// http://doc.spip.org/@spip_release_lock
|
|
/**
|
|
* @param $nom
|
|
*/
|
|
function spip_release_lock($nom) {
|
|
|
|
$connexion = &$GLOBALS['connexions'][0];
|
|
$bd = $connexion['db'];
|
|
$prefixe = $connexion['prefixe'];
|
|
$nom = "$bd:$prefixe:$nom" . _LOCK_TIME;
|
|
|
|
$connexion['last'] = $q = "SELECT RELEASE_LOCK(" . _q($nom) . ")";
|
|
@mysql_query($q);
|
|
}
|
|
|
|
// Renvoie false si on n'a pas les fonctions mysql (pour l'install)
|
|
// http://doc.spip.org/@spip_versions_mysql
|
|
/**
|
|
* @return bool
|
|
*/
|
|
function spip_versions_mysql() {
|
|
charger_php_extension('mysql');
|
|
return function_exists('mysql_query');
|
|
}
|
|
|
|
// Tester si mysql ne veut pas du nom de la base dans les requetes
|
|
|
|
// http://doc.spip.org/@test_rappel_nom_base_mysql
|
|
/**
|
|
* @param $server_db
|
|
* @return string
|
|
*/
|
|
function test_rappel_nom_base_mysql($server_db)
|
|
{
|
|
$GLOBALS['mysql_rappel_nom_base'] = true;
|
|
sql_delete('spip_meta', "nom='mysql_rappel_nom_base'", $server_db);
|
|
$ok = spip_query("INSERT INTO spip_meta (nom,valeur) VALUES ('mysql_rappel_nom_base', 'test')", $server_db);
|
|
|
|
if ($ok) {
|
|
sql_delete('spip_meta', "nom='mysql_rappel_nom_base'", $server_db);
|
|
return '';
|
|
} else {
|
|
$GLOBALS['mysql_rappel_nom_base'] = false;
|
|
return "\$GLOBALS['mysql_rappel_nom_base'] = false; ".
|
|
"/* echec de test_rappel_nom_base_mysql a l'installation. */\n";
|
|
}
|
|
}
|
|
|
|
// http://doc.spip.org/@test_sql_mode_mysql
|
|
/**
|
|
* @param $server_db
|
|
* @return string
|
|
*/
|
|
function test_sql_mode_mysql($server_db){
|
|
$res = sql_select("version() as v",'','','','','','',$server_db);
|
|
$row = sql_fetch($res,$server_db);
|
|
if (version_compare($row['v'],'5.0.0','>=')){
|
|
define('_MYSQL_SET_SQL_MODE',true);
|
|
return "define('_MYSQL_SET_SQL_MODE',true);\n";
|
|
}
|
|
return '';
|
|
}
|
|
|
|
?>
|