/spip/ecrire/req/mysql.php
PHP | 865 lines | 647 code | 111 blank | 107 comment | 84 complexity | 7d604a01255b7b3b94e1c38472bb6ffd MD5 | raw file
Possible License(s): LGPL-2.1, GPL-3.0
- <?php
- /***************************************************************************\
- * SPIP, Systeme de publication pour l'internet *
- * *
- * Copyright (c) 2001-2011 *
- * Arnaud Martin, Antoine Pitrou, Philippe Riviere, Emmanuel Saint-James *
- * *
- * Ce programme est un logiciel libre distribue sous licence GNU/GPL. *
- * Pour plus de details voir le fichier COPYING.txt ou l'aide en ligne. *
- \***************************************************************************/
- if (!defined('_ECRIRE_INC_VERSION')) return;
- // fonction pour la premiere connexion a un serveur MySQL
- // http://doc.spip.org/@req_mysql_dist
- function req_mysql_dist($host, $port, $login, $pass, $db='', $prefixe='') {
- if (!charger_php_extension('mysql')) return false;
- if ($port > 0) $host = "$host:$port";
- $link = @mysql_connect($host, $login, $pass, true);
- if (!$link) {
- spip_log('Echec mysql_connect. Erreur : ' . mysql_error(),'mysql');
- return false;
- }
- $last = '';
- if (!$db) {
- $ok = $link;
- $db = 'spip';
- } else {
- $ok = spip_mysql_selectdb($db);
- if (defined('_MYSQL_SET_SQL_MODE')
- OR defined('_MYSQL_SQL_MODE_TEXT_NOT_NULL') // compatibilite
- )
- mysql_query($last = "set sql_mode=''");
- }
- # spip_log("Connexion vers $host, base $db, prefixe $prefixe "
- # . ($ok ? "operationnelle sur $link" : 'impossible'));
- return !$ok ? false : array(
- 'db' => $db,
- 'last' => $last,
- 'prefixe' => $prefixe ? $prefixe : $db,
- 'link' => $GLOBALS['mysql_rappel_connexion'] ? $link : false,
- );
- }
- $GLOBALS['spip_mysql_functions_1'] = array(
- 'alter' => 'spip_mysql_alter',
- 'count' => 'spip_mysql_count',
- 'countsel' => 'spip_mysql_countsel',
- 'create' => 'spip_mysql_create',
- 'create_base' => 'spip_mysql_create_base',
- 'create_view' => 'spip_mysql_create_view',
- 'date_proche' => 'spip_mysql_date_proche',
- 'delete' => 'spip_mysql_delete',
- 'drop_table' => 'spip_mysql_drop_table',
- 'drop_view' => 'spip_mysql_drop_view',
- 'errno' => 'spip_mysql_errno',
- 'error' => 'spip_mysql_error',
- 'explain' => 'spip_mysql_explain',
- 'fetch' => 'spip_mysql_fetch',
- 'seek' => 'spip_mysql_seek',
- 'free' => 'spip_mysql_free',
- 'hex' => 'spip_mysql_hex',
- 'in' => 'spip_mysql_in',
- 'insert' => 'spip_mysql_insert',
- 'insertq' => 'spip_mysql_insertq',
- 'insertq_multi' => 'spip_mysql_insertq_multi',
- 'listdbs' => 'spip_mysql_listdbs',
- 'multi' => 'spip_mysql_multi',
- 'optimize' => 'spip_mysql_optimize',
- 'query' => 'spip_mysql_query',
- 'quote' => 'spip_mysql_quote',
- 'replace' => 'spip_mysql_replace',
- 'replace_multi' => 'spip_mysql_replace_multi',
- 'repair' => 'spip_mysql_repair',
- 'select' => 'spip_mysql_select',
- 'selectdb' => 'spip_mysql_selectdb',
- 'set_charset' => 'spip_mysql_set_charset',
- 'get_charset' => 'spip_mysql_get_charset',
- 'showbase' => 'spip_mysql_showbase',
- 'showtable' => 'spip_mysql_showtable',
- 'update' => 'spip_mysql_update',
- 'updateq' => 'spip_mysql_updateq',
- // association de chaque nom http d'un charset aux couples MySQL
- 'charsets' => array(
- 'cp1250'=>array('charset'=>'cp1250','collation'=>'cp1250_general_ci'),
- 'cp1251'=>array('charset'=>'cp1251','collation'=>'cp1251_general_ci'),
- 'cp1256'=>array('charset'=>'cp1256','collation'=>'cp1256_general_ci'),
- 'iso-8859-1'=>array('charset'=>'latin1','collation'=>'latin1_swedish_ci'),
- //'iso-8859-6'=>array('charset'=>'latin1','collation'=>'latin1_swedish_ci'),
- 'iso-8859-9'=>array('charset'=>'latin5','collation'=>'latin5_turkish_ci'),
- //'iso-8859-15'=>array('charset'=>'latin1','collation'=>'latin1_swedish_ci'),
- 'utf-8'=>array('charset'=>'utf8','collation'=>'utf8_general_ci'))
- );
- // http://doc.spip.org/@spip_mysql_set_charset
- function spip_mysql_set_charset($charset, $serveur='',$requeter=true,$requeter=true){
- $connexion = &$GLOBALS['connexions'][$serveur ? strtolower($serveur) : 0];
- #spip_log("changement de charset sql : "."SET NAMES "._q($charset));
- return mysql_query($connexion['last'] = "SET NAMES "._q($charset));
- }
- // http://doc.spip.org/@spip_mysql_get_charset
- function spip_mysql_get_charset($charset=array(), $serveur='',$requeter=true){
- $connexion = &$GLOBALS['connexions'][$serveur ? strtolower($serveur) : 0];
- $connexion['last'] = $c = "SHOW CHARACTER SET"
- . (!$charset ? '' : (" LIKE "._q($charset['charset'])));
- return spip_mysql_fetch(mysql_query($c), NULL, $serveur);
- }
- // obsolete, ne plus utiliser
- // http://doc.spip.org/@spip_query_db
- function spip_query_db($query, $serveur='',$requeter=true) {
- return spip_mysql_query($query, $serveur, $requeter);
- }
- // Fonction de requete generale, munie d'une trace a la demande
- // http://doc.spip.org/@spip_mysql_query
- function spip_mysql_query($query, $serveur='',$requeter=true) {
- $connexion = &$GLOBALS['connexions'][$serveur ? strtolower($serveur) : 0];
- $prefixe = $connexion['prefixe'];
- $link = $connexion['link'];
- $db = $connexion['db'];
- $query = traite_query($query, $db, $prefixe);
- // renvoyer la requete inerte si demandee
- if (!$requeter) return $query;
- if (isset($_GET['var_profile'])) {
- include_spip('public/tracer');
- $t = trace_query_start();
- } else $t = 0 ;
-
- $connexion['last'] = $query;
- $r = $link ? mysql_query($query, $link) : mysql_query($query);
- 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) : $r;
- }
- // http://doc.spip.org/@spip_mysql_alter
- function spip_mysql_alter($query, $serveur='',$requeter=true){
- return spip_mysql_query("ALTER ".$query, $serveur, $requeter); # i.e. que PG se debrouille
- }
- // http://doc.spip.org/@spip_mysql_optimize
- function spip_mysql_optimize($table, $serveur='',$requeter=true){
- spip_mysql_query("OPTIMIZE TABLE ". $table);
- return true;
- }
- // http://doc.spip.org/@spip_mysql_explain
- function spip_mysql_explain($query, $serveur='',$requeter=true){
- if (strpos(ltrim($query), 'SELECT') !== 0) return array();
- $connexion = &$GLOBALS['connexions'][$serveur ? strtolower($serveur) : 0];
- $prefixe = $connexion['prefixe'];
- $link = $connexion['link'];
- $db = $connexion['db'];
- $query = 'EXPLAIN ' . traite_query($query, $db, $prefixe);
- $r = $link ? mysql_query($query, $link) : mysql_query($query);
- return spip_mysql_fetch($r, NULL, $serveur);
- }
- // fonction instance de sql_select, voir ses specs dans abstract.php
- // traite_query pourrait y etre fait d'avance ce serait moins cher
- // Les \n et \t sont utiles au debusqueur.
- // http://doc.spip.org/@spip_mysql_select
- function spip_mysql_select($select, $from, $where='',
- $groupby='', $orderby='', $limit='', $having='',
- $serveur='',$requeter=true) {
- $from = (!is_array($from) ? $from : spip_mysql_select_as($from));
- $query =
- calculer_mysql_expression('SELECT', $select, ', ')
- . calculer_mysql_expression('FROM', $from, ', ')
- . calculer_mysql_expression('WHERE', $where)
- . calculer_mysql_expression('GROUP BY', $groupby, ',')
- . calculer_mysql_expression('HAVING', $having)
- . ($orderby ? ("\nORDER BY " . spip_mysql_order($orderby)) :'')
- . ($limit ? "\nLIMIT $limit" : '');
- // renvoyer la requete inerte si demandee
- if ($requeter === false) return $query;
- $r = spip_mysql_query($query, $serveur, $requeter);
- return $r ? $r : $query;
- }
- // 0+x avec un champ x commencant par des chiffres est converti par MySQL
- // en le nombre qui commence x.
- // Pas portable malheureusement, on laisse pour le moment.
- // http://doc.spip.org/@spip_mysql_order
- function spip_mysql_order($orderby)
- {
- return (is_array($orderby)) ? join(", ", $orderby) : $orderby;
- }
- // http://doc.spip.org/@calculer_mysql_where
- function calculer_mysql_where($v)
- {
- if (!is_array($v))
- return $v ;
- $op = array_shift($v);
- if (!($n=count($v)))
- return $op;
- else {
- $arg = calculer_mysql_where(array_shift($v));
- if ($n==1) {
- return "$op($arg)";
- } else {
- $arg2 = calculer_mysql_where(array_shift($v));
- if ($n==2) {
- return "($arg $op $arg2)";
- } else return "($arg $op ($arg2) : $v[0])";
- }
- }
- }
- // http://doc.spip.org/@calculer_mysql_expression
- function calculer_mysql_expression($expression, $v, $join = 'AND'){
- if (empty($v))
- return '';
-
- $exp = "\n$expression ";
-
- if (!is_array($v)) {
- return $exp . $v;
- } else {
- if (strtoupper($join) === 'AND')
- return $exp . join("\n\t$join ", array_map('calculer_mysql_where', $v));
- else
- return $exp . join($join, $v);
- }
- }
- // http://doc.spip.org/@spip_mysql_select_as
- function spip_mysql_select_as($args)
- {
- $res = '';
- foreach($args as $k => $v) {
- if (substr($k,-1)=='@') {
- // c'est une jointure qui se refere au from precedent
- // pas de virgule
- $res .= ' ' . $v ;
- }
- else {
- if (!is_numeric($k)) {
- $p = strpos($v, " ");
- if ($p)
- $v = substr($v,0,$p) . " AS `$k`" . substr($v,$p);
- else $v .= " AS `$k`";
- }
-
- $res .= ', ' . $v ;
- }
- }
- return substr($res,2);
- }
- //
- // Changer les noms des tables ($table_prefix)
- // Quand tous les appels SQL seront abstraits on pourra l'ameliorer
- define('_SQL_PREFIXE_TABLE', '/([,\s])spip_/S');
- // http://doc.spip.org/@traite_query
- function traite_query($query, $db='', $prefixe='') {
- if ($GLOBALS['mysql_rappel_nom_base'] AND $db)
- $pref = '`'. $db.'`.';
- else $pref = '';
- if ($prefixe)
- $pref .= $prefixe . "_";
- if (!preg_match('/\s(SET|VALUES|WHERE|DATABASE)\s/i', $query, $regs)) {
- $suite ='';
- } else {
- $suite = strstr($query, $regs[0]);
- $query = substr($query, 0, -strlen($suite));
- if (preg_match('/^(.*?)([(]\s*SELECT\b.*)$/si', $suite, $r)) {
- $suite = $r[1] . traite_query($r[2], $db, $prefixe);
- }
- }
- $r = preg_replace(_SQL_PREFIXE_TABLE, '\1'.$pref, $query) . $suite;
- # spip_log("traite_query: " . substr($r,0, 50) . ".... $db, $prefixe");
- return $r;
- }
- // http://doc.spip.org/@spip_mysql_selectdb
- function spip_mysql_selectdb($db) {
- $ok = mysql_select_db($db);
- if (!$ok)
- spip_log('Echec mysql_selectdb. Erreur : ' . mysql_error(),'mysql');
- return $ok;
- }
- // Retourne les bases accessibles
- // Attention on n'a pas toujours les droits
- // http://doc.spip.org/@spip_mysql_listdbs
- function spip_mysql_listdbs($serveur='',$requeter=true) {
- return @mysql_list_dbs();
- }
- // Fonction de creation d'une table SQL nommee $nom
- // a partir de 2 tableaux PHP :
- // champs: champ => type
- // cles: type-de-cle => champ(s)
- // si $autoinc, c'est une auto-increment (i.e. serial) sur la Primary Key
- // Le nom des caches doit etre inferieur a 64 caracteres
- // http://doc.spip.org/@spip_mysql_create
- function spip_mysql_create($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) {
- if (preg_match(',([a-z]*\s*(\(\s*[0-9]*\s*\))?(\s*binary)?),i',$v,$defs)){
- if (preg_match(',(char|text),i',$defs[1]) AND !preg_match(',binary,i',$defs[1]) ){
- $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, $serveur);
- }
- function spip_mysql_create_base($nom, $serveur='',$requeter=true) {
- return spip_mysql_query("CREATE DATABASE `$nom`", $serveur, $requeter);
- }
- // Fonction de creation d'une vue SQL nommee $nom
- // http://doc.spip.org/@spip_mysql_create_view
- function spip_mysql_create_view($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)");
- return false;
- }
-
- $query = "CREATE VIEW $nom AS ". $query_select;
- return spip_mysql_query($query, $serveur, $requeter);
- }
- // http://doc.spip.org/@spip_mysql_drop_table
- function spip_mysql_drop_table($table, $exist='', $serveur='',$requeter=true)
- {
- if ($exist) $exist =" IF EXISTS";
- return spip_mysql_query("DROP TABLE$exist `$table`", $serveur, $requeter);
- }
- // supprime une vue
- // http://doc.spip.org/@spip_mysql_drop_view
- function spip_mysql_drop_view($view, $exist='', $serveur='',$requeter=true) {
- if ($exist) $exist =" IF EXISTS";
- return spip_mysql_query("DROP VIEW$exist `$view`", $serveur, $requeter);
- }
- // http://doc.spip.org/@spip_mysql_showbase
- function spip_mysql_showbase($match, $serveur='',$requeter=true)
- {
- return spip_mysql_query("SHOW TABLES LIKE " . _q($match), $serveur, $requeter);
- }
- // http://doc.spip.org/@spip_mysql_repair
- function spip_mysql_repair($table, $serveur='',$requeter=true)
- {
- return spip_mysql_query("REPAIR TABLE `$table`", $serveur, $requeter);
- }
- // Recupere la definition d'une table ou d'une vue MySQL
- // colonnes, indexes, etc.
- // au meme format que la definition des tables de SPIP
- // http://doc.spip.org/@spip_mysql_showtable
- function spip_mysql_showtable($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)){
- $dec = $r[1];
- if (preg_match("/^(.*?),([^,]*KEY.*)$/s", $dec, $r)) {
- $namedkeys = $r[2];
- $dec = $r[1];
- }
- else
- $namedkeys = "";
- $fields = array();
- foreach(preg_split("/,\s*`/",$dec) 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' => $nkeys);
- }
- return "";
- }
- //
- // Recuperation des resultats
- //
- // http://doc.spip.org/@spip_mysql_fetch
- function spip_mysql_fetch($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 ($r) return mysql_data_seek($r,$row_number);
- }
- // http://doc.spip.org/@spip_mysql_countsel
- function spip_mysql_countsel($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 $c;
- }
- // Bien specifier le serveur auquel on s'adresse,
- // mais a l'install la globale n'est pas encore completement definie
- // http://doc.spip.org/@spip_mysql_error
- function spip_mysql_error($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');
- return $s;
- }
- // A transposer dans les portages
- // http://doc.spip.org/@spip_mysql_errno
- function spip_mysql_errno($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");
- return $s;
- }
- // Interface de abstract_sql
- // http://doc.spip.org/@spip_mysql_count
- function spip_mysql_count($r, $serveur='',$requeter=true) {
- if ($r) return mysql_num_rows($r);
- }
- // http://doc.spip.org/@spip_mysql_free
- function spip_mysql_free($r, $serveur='',$requeter=true) {
- return mysql_free_result($r);
- }
- // http://doc.spip.org/@spip_mysql_insert
- function spip_mysql_insert($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);
- 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
- function spip_mysql_insertq($table, $couples=array(), $desc=array(), $serveur='',$requeter=true) {
- if (!$desc) $desc = description_table($table);
- 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, $requeter);
- }
- // http://doc.spip.org/@spip_mysql_insertq_multi
- function spip_mysql_insertq_multi($table, $tab_couples=array(), $desc=array(), $serveur='',$requeter=true) {
- if (!$desc) $desc = description_table($table);
- if (!$desc) $tab_couples = array();
- $fields = isset($desc['field'])?$desc['field']:array();
-
- $cles = "(" . join(',',array_keys($tab_couples[0])) . ')';
- $valeurs = array();
- foreach ($tab_couples as $couples) {
- foreach ($couples as $champ => $val){
- $couples[$champ]= spip_mysql_cite($val, $fields[$champ]);
- }
- $valeurs[] = '(' .join(',', $couples) . ')';
- }
- // Inserer par groupes de 100 max pour eviter un debordement de pile
- $r = false;
- do {
- $ins = array_slice($valeurs,0,100);
- $valeurs = array_slice($valeurs,100);
- $r = spip_mysql_insert($table, $cles, join(', ', $ins), $desc, $serveur, $requeter);
- } while (count($valeurs));
- return $r; // dans le cas d'une table auto_increment, le dernier insert_id
- }
- // http://doc.spip.org/@spip_mysql_update
- function spip_mysql_update($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, $requeter);
- }
- // idem, mais les valeurs sont des constantes a mettre entre apostrophes
- // sauf les expressions de date lorsqu'il s'agit de fonctions SQL (NOW etc)
- // http://doc.spip.org/@spip_mysql_updateq
- function spip_mysql_updateq($table, $champs, $where='', $desc=array(), $serveur='',$requeter=true) {
- if (!$champs) return;
- if (!$desc) $desc = description_table($table);
- 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, $requeter);
- }
- // http://doc.spip.org/@spip_mysql_delete
- function spip_mysql_delete($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
- 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, $requeter);
- }
- // http://doc.spip.org/@spip_mysql_replace_multi
- function spip_mysql_replace_multi($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, $requeter);
- }
- // http://doc.spip.org/@spip_mysql_multi
- function spip_mysql_multi ($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 $retour;
- }
- // http://doc.spip.org/@spip_mysql_hex
- function spip_mysql_hex($v)
- {
- return "0x" . $v;
- }
- function spip_mysql_quote($v, $type='')
- {
- return ($type === 'int' AND !$v) ? '0' : _q($v);
- }
- 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))
- . ' '
- . $unite
- . '))';
- }
- //
- // IN (...) est limite a 255 elements, d'ou cette fonction assistante
- //
- // http://doc.spip.org/@spip_mysql_in
- function spip_mysql_in($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 "($in_sql)";
- }
- // pour compatibilite. Ne plus utiliser.
- // http://doc.spip.org/@calcul_mysql_in
- function calcul_mysql_in($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, $not);
- }
- // http://doc.spip.org/@spip_mysql_cite
- function spip_mysql_cite($v, $type) {
- if (sql_test_date($type) AND preg_match('/^\w+\(/', $v)
- OR (sql_test_int($type)
- AND (is_numeric($v)
- OR (ctype_xdigit(substr($v,2))
- AND $v[0]=='0' AND $v[1]=='x'))))
- return $v;
- else return ("'" . addslashes($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
- function spip_get_lock($nom, $timeout = 0) {
- define('_LOCK_TIME', intval(time()/3600-316982));
- $connexion = &$GLOBALS['connexions'][0];
- $prefixe = $connexion['prefixe'];
- $nom = "$bd:$prefix:$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");
- return $q['n'];
- }
- // http://doc.spip.org/@spip_release_lock
- function spip_release_lock($nom) {
- $connexion = &$GLOBALS['connexions'][0];
- $prefixe = $connexion['prefixe'];
- $nom = "$bd:$prefix:$nom" . _LOCK_TIME;
- $connexion['last'] = $q = "SELECT RELEASE_LOCK(" . _q($nom) . ")";
- @mysql_query($q);
- }
- // Renvoie false si on n'a pas les fonctions mysql (pour l'install)
- // http://doc.spip.org/@spip_versions_mysql
- function spip_versions_mysql() {
- charger_php_extension('mysql');
- return function_exists('mysql_query');
- }
- // Tester si mysql ne veut pas du nom de la base dans les requetes
- // http://doc.spip.org/@test_rappel_nom_base_mysql
- function test_rappel_nom_base_mysql($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 {
- $GLOBALS['mysql_rappel_nom_base'] = false;
- return "\$GLOBALS['mysql_rappel_nom_base'] = false; ".
- "/* echec de test_rappel_nom_base_mysql a l'installation. */\n";
- }
- }
- // http://doc.spip.org/@test_sql_mode_mysql
- function test_sql_mode_mysql($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 '';
- }
- ?>